[CB-2305] Add InAppBrowser injectSriptCode command to support InAppBrowser.executeScript and InAppBrowser.insertCSS APIs
Log a message when exec() is made to an unregistered plugin.
Fix NPE in InAppBrowser.

When cordova.getActivity().getIntent().getExtras() == null.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cordova-android into 2.6.x
Fixing CB-1700, we had the file names reversed, so exif was never being written right.  Needed to upload a file to debug this thing
Merge branch '2.6.x' of https://git-wip-us.apache.org/repos/asf/cordova-android into 2.6.x