Merge pull request #78 from fabito/master

Appengine module bug fixes and new features
Added a builder to simplify creating a MongoStateRepository
Added default settings to MongoStateRepository builder
Created a builder for the JDBCStateRepository
Javadocs
Compile against GAE SDK 1.8.9 to get JDK6 compatibility
Fixed distribution to include all modules
Went back to appengine SDK 1.9.0
Replaced JDK6 build with JDK8 for Travis
Seems like the AS7 tests don't work with JDK8
Exposing ActivationStrategy list through FeatureManager so we can easily access them wherever needed. This way, instead of loading the strategies via ServiceLoader we can just invoke getActivationStrategies. \n Now, the console module will only show the strategies explicitly configured by the client - if you are not using DefaultActivationStrategyProvider doesnt make sense to show all existent strategies.
adding new method to fallback test feature manager
adding new method to test feature manager
Merge branch 'master' of https://github.com/fabito/togglz