Add custom adapter.
Add custom adapter for navigation drawer.
Merge branch 'feature/custom-navigation-drawer' of https://github.com/Jajoba/g0v-twly-voter-guide-android into feature/custom-navigation-drawer
Merge branch 'feature/custom-navigation-drawer-0429' of https://github.com/Jajoba/g0v-twly-voter-guide-android into feature/custom-navigation-drawer-0429
Navigation drawer with custom base-adapter.
Merge pull request #7 from Jajoba/feature/custom-navigation-drawer-0429

Feature/custom navigation drawer 0429