Add context null check in oncreate clauses
Merge pull request #53 from Doplgangr/NPE
Fix multiple loading results in repeated setting
Fix crashes if play store do not exist (e.g. emu)
fix drawerlayout UI -- define specific metrics to prevent unpredicted sizes.
New Acionbar icons for material design
New Action Icons for backup and restore
Merge pull request #55 from Doplgangr/SettingsScreen

Settings screen -- bug fixes
Merge pull request #56 from Doplgangr/Layouts

Layout Edits