Add Category List on PropositionFragment
Add CategoryFrament
Add PVMPView test class
Add proposition struct.

Sygned-off-by: David Carlos <ddavidcarlos1392@gmail.com>
Sygned-off-by: Lucas Mattioli <lucas.mattioli@live.com>
Created a initial class that tests the Database.
Added exception to the insert methods of DAOAbstract and PVMPDatabase.

  -  squashed: Added excpetion handler at getWritablePVMP() and getReadablePVMP() at PVMPDatabase class.
Refactored the ControllerDatabaseTest class.
Fixed the bug that would show a toast forever if the user clicked many times on a button.
Adapt the table names to the parser database that will come.

Sygned-off-by:  Lucas Mattioli <lucas.mattioli@live.com>
Add User test class
Upgrade database version to 4
Change switch case parameter from String to Char
Add category list layout and some images sources.
signed-off-by: Jonathan Rufino <jonathan_rufinotkd@hotmail.com>
signed-off-by: Iago Rodrigues <iago006@hotmail.com>
Preparing the adapter for both lists (categories and navigation).
Finished both drawer and category items/adapters.
Applied shadow ons some other frescuras to the category text items.
Adapted the method getUser() on PVMPmodel to the new DAO.
Adapted list to the chosen categories that will be shown.
Turning the categories fragments as the first screen.
Turning the listView in 2 colors only. Must choice the colors.