Index: /applications/editors/josm/plugins/mapillary/.classpath
===================================================================
--- /applications/editors/josm/plugins/mapillary/.classpath	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/.classpath	(revision 32378)
@@ -4,5 +4,5 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="test/unit"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/JOSM"/>
Index: /applications/editors/josm/plugins/mapillary/.settings/org.eclipse.jdt.core.prefs
===================================================================
--- /applications/editors/josm/plugins/mapillary/.settings/org.eclipse.jdt.core.prefs	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/.settings/org.eclipse.jdt.core.prefs	(revision 32378)
@@ -7,6 +7,6 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.compliance=1.7
 org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
@@ -94,5 +94,5 @@
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=1.7
 org.eclipse.jdt.core.formatter.align_fields_grouping_blank_lines=2147483647
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
Index: /applications/editors/josm/plugins/mapillary/build.gradle
===================================================================
--- /applications/editors/josm/plugins/mapillary/build.gradle	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/build.gradle	(revision 32378)
@@ -6,5 +6,5 @@
 apply plugin: 'pmd'
 
-sourceCompatibility = '1.8'
+sourceCompatibility = '1.7'
 
 repositories {
Index: /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillaryPlugin.java
===================================================================
--- /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillaryPlugin.java	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillaryPlugin.java	(revision 32378)
@@ -250,5 +250,10 @@
     }
     if (!SwingUtilities.isEventDispatchThread()) {
-      SwingUtilities.invokeLater( () -> setMenuEnabled(menu, value));
+      SwingUtilities.invokeLater( new Runnable() {
+        @Override
+        public void run() {
+          setMenuEnabled(menu, value);
+        }
+      });
     } else {
       menu.setEnabled(value);
Index: /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/gui/MapillaryPreferenceSetting.java
===================================================================
--- /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/gui/MapillaryPreferenceSetting.java	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/gui/MapillaryPreferenceSetting.java	(revision 32378)
@@ -134,8 +134,16 @@
     }
 
-    new Thread( () -> {
-      String username = MapillaryUser.getUsername();
-      if (username != null) {
-        SwingUtilities.invokeLater( () -> onLogin(MapillaryUser.getUsername()) );
+    new Thread( new Runnable() {
+      @Override
+      public void run() {
+        String username = MapillaryUser.getUsername();
+        if (username != null) {
+          SwingUtilities.invokeLater( new Runnable() {
+            @Override
+            public void run() {
+              onLogin(MapillaryUser.getUsername());
+            }
+          } );
+        }
       }
     }).start();
Index: /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/io/download/MapillaryDownloader.java
===================================================================
--- /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/io/download/MapillaryDownloader.java	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/io/download/MapillaryDownloader.java	(revision 32378)
@@ -193,5 +193,10 @@
               tr("The downloaded OSM area is too big. Download mode has been changed to semiautomatic until the layer is restarted."));
     } else {
-      SwingUtilities.invokeLater( () -> tooBigErrorDialog());
+      SwingUtilities.invokeLater( new Runnable() {
+        @Override
+        public void run() {
+          tooBigErrorDialog();
+        }
+      });
     }
   }
Index: /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryUtils.java
===================================================================
--- /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryUtils.java	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/utils/MapillaryUtils.java	(revision 32378)
@@ -203,5 +203,10 @@
   public static void showPictures(final Set<MapillaryAbstractImage> images, final boolean select) {
     if (!SwingUtilities.isEventDispatchThread()) {
-      SwingUtilities.invokeLater( () -> showPictures(images, select) );
+      SwingUtilities.invokeLater( new Runnable() {
+        @Override
+        public void run() {
+          showPictures(images, select);
+        }
+      } );
     } else {
       Bounds zoomBounds;
Index: /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/utils/PluginState.java
===================================================================
--- /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/utils/PluginState.java	(revision 32377)
+++ /applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/utils/PluginState.java	(revision 32378)
@@ -101,5 +101,10 @@
       dlg.setVisible(true);
     } else {
-      SwingUtilities.invokeLater( () -> finishedUploadDialog() );
+      SwingUtilities.invokeLater( new Runnable() {
+        @Override
+        public void run() {
+          finishedUploadDialog();
+        }
+      } );
     }
   }