Working version with Android Studio

Fixed information to make it work with wndroid studio
Correct information in the about section
Correct the diff between the 2 versions
Exchange rates

I played a little bit with the exchange rates and change the source to
feathercoinapi not btce.
The previous code is comment
Modify the readme

Correct the install procedure
Change the litecoin links to feathercoin
Rename LITECOINJ to FEATHERCOINJ
Changed donation address and report issue email address
Merge remote-tracking branch 'origin/dev' into dev
French transalation

Add missing french translation
Correct Address Book bug for large screen and landscape

* address_book_twopanes.xml
Remove of the under construction textview
Add new framelayout
* AdressBookActivity.java
Modify the code to manage the landscape mode
Changed report issue email address to google support group email
Merge remote-tracking branch 'origin/dev' into dev
created new version for playstore upload
Merge branch 'master' into dev
..