initial commit
Category managment
Uber commit

- fix category managment
- fix gradle build files
- robolectric tests
- refactoring
Fix injections
record dao schema
Add Record Dao and rename CategoryDao class
Refactoring
handling Records.
Refactoring
Fixing category dao
Fixing category dao
Fixing gitignore
Fixing category insert
More refactor
Rest of model classes + more refactor.
Skeleton of LocalDataManager implementation
Update android-gradle plugin and robolectric-gradle plugin
Refactoring
Update android build tool and compile sdk version
Fix Robolectric tests