Added the "A propos" page
Fix the create a new Activity when come back from about error
Ajout du readme
Fix typo dans readme
Resize contrepetrie image, fill people info in about, add flush memory
Add pictures sources
Merge branch 'master' into GCM

Conflicts:
	AndroidManifest.xml
	build.gradle
	src/com/uliamar/bonjourcontrepetrie/MainActivity.java