Implemented first part of Login flow with Account creation
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/com/mmday/MMD/models/CategoryDetailsListEntity.java
	src/com/mmday/MMD/models/CategoryEntity.java
	src/com/mmday/MMD/rest/RetrofitController.java
	src/com/mmday/MMD/services/CategoriesService.java
	src/com/mmday/MMD/services/CategoriesServiceImpl.java
	src/com/mmday/MMD/services/LoginServiceImpl.java
Implemented first part of Login flow with Account creation