#264 - using Apache ObjectSerializer.
Merge remote-tracking branch 'upstream/develop' into 264_sharedpref_string_set

Conflicts:
	AndroidAnnotations/androidannotations/src/main/java/org/androidannotations/processing/SharedPrefProcessor.java
Merge & move things in the right place again.
Ensure the stringset files will generated as well.
Ensure to use canonical name constants
Merge branch 'develop' of https://github.com/excilys/androidannotations into 264_sharedpref_string_set

Conflicts:
	AndroidAnnotations/functional-test-1-5/src/main/java/org/androidannotations/test15/prefs/SomePrefs.java
Update project configurations to fit AA 3.0
Resolve imports
Update min Android version from 3 to 7
Fix HelloWorldEclipse sample project
Fix RoboGuiceExample sample project
Fix maveneclipse sample project
Update sample projects name
Merge https://github.com/excilys/androidannotations into 264_sharedpref_string_set

Conflicts:
	AndroidAnnotations/androidannotations/src/main/java/org/androidannotations/processing/SharedPrefProcessor.java
Update to latest AA code changes.
Minor cleaning
Fix configuration for maveneclipse sample
Fix configuration for HelloWorldEclipse sample
Merge branch 'develop' into update_examples
Fix .gitignore