Use API level 19 and tools 19.0.1
Update to graddle 0.9 and use current tools and API
Display week and year counters
make day counter bigger
Method to query teh server's counters : first version (and basic test)
Parse method to get counter metadata, continued tests
convenience methos to get current week or year counters
Introduce Exceptions and better response codes
Merge branch 'feature-agatteExceptions' into feature-weekcounter

Conflicts:
	AgatteClient/src/main/java/com/agatteclient/agatte/AgatteParser.java
fix some bugs about newer AgatteResponse implementation
Parse counter value
More Parser tests
integrate query counter in main UI (first tests)
manage exception when querying counters.
Reorganise counter query code
throw login exception if login failed
est : update counter when taping the update button
put signing config in gradle file