fix(transitions): Disable transitions on Android 2, closes #780

By default transitions will be disabled on Android 2. To force
transitions to work on Android 2 add `enable-transitions` to the body
className.

scss/_platform.scss

@@ -2,7 +2,7 @@
 /**
  * Platform
  * --------------------------------------------------
- * Platform specific tweaks when in Cordova.
+ * Platform specific tweaks
  */
 
 .platform-ios7.platform-cordova {
@@ -26,7 +26,7 @@
       top: $bar-height + $ios7-statusbar-height;
     }
 
-    .has-header, 
+    .has-header,
     .bar-subheader {
       top: $bar-height + $ios7-statusbar-height;
     }
@@ -45,3 +45,9 @@
     margin-bottom: 20px;
   }
 }
+
+.platform-android2:not(.enable-transitions) * {
+  // disable transitions on Android 2
+  -webkit-transition: none !important;
+  transition: none !important;
+}