Update build tools
Changes to AbstractDataModel class
Fixed lint warnings
Remove dependence on AbstractDataModel for registration
add waffle.io badge
Merge pull request #7 from waffleio/master

waffle.io Badge
Merge pull request #5 from wmbest2/master

Small changes for more consistency in data management
Merge branch 'master' into proj_map

* master:
  add waffle.io badge
  Remove dependence on AbstractDataModel for registration
  Fixed lint warnings
  Changes to AbstractDataModel class
  Update build tools

Conflicts:
	src/main/java/com/vokal/database/DatabaseHelper.java
fix save, add bulk insert, projection maps (w/ default for joins)