[CB-4915] Incremented plugin version on dev branch.
[CB-4919] updated plugin.xml for FxOS
CB-4958 - iOS - Camera plugin should not show the status bar
CB-5128: added repo + issue tag to plugin.xml for camera plugin
[CB-5188] Updated version and RELEASENOTES.md for release 0.2.4
CB-5188:
Merge remote-tracking branch 'cordova/dev' into dev