Made various changes to welcome screen

Made the background for the register button a copy of that portion of
the background, so that it appears transparent.
Syncing with master
Merge from Master

Sync contents of master with this branch.
Changed Fragements and WelcomeContainer

Now properly changes to the register activity the same way it would for
the login activity.
Merge branch 'master' of https://github.com/CyberdyneSystems2340/AndroidApp into Rob
Merging Drawables
Merge branch 'master' of https://github.com/CyberdyneSystems2340/AndroidApp into Rob
R File
WIP DB System.

Altered Manifest to allow for context to be gathered from the activity.
Created AccountDBHelper class to manage creation of db. DBReaderContract
specifies what the DB should look like. Test and MyApplication are used
to get the context, which is used by the db functions.
Updated Documentation for Tables
WIP...The Db so far...

Update SQL Commands to allow for more specific creation of tables and
allowed for the creation of three separate tables instead of 1.
WIP
Sync with master
WIP
WIP
WIP
Merge branch 'master' of https://github.com/CyberdyneSystems2340/AndroidApp into Rob
WIP
WIP
WIP