Revert "custom navigationDrawer demo"

This reverts commit ea049654c507fb49323c9a1c8fb74e06068cbb26.
Revert "LoginFragment retains its instance"

This reverts commit 5ab548c88ffd38fc11143e7e1a5930d5cdaadda2.
Revert "Nav Drawer works. Implemented in basic fashion."

This reverts commit 0fe399bd32ba2e8118c33181dd116e0a4a31db71.
nav drawer implemented
Merge pull request #9 from git-mad/nav-drawer

Nav drawer and MD