Update CONTRIBUTING.md
Added adult filter to hide content with adult keywords in the title. This removes content from movie searches, identification, "Online Movies" part of the application, actor movies and related movies.
Merge pull request #246 from MizzleDK/master

Update CONTRIBUTING.md
Added licenses notices, fixed small border issue, changed navigation drawer selector and layout a bit, removed personal Crashlytics information, removed a few unused classes.
Fix wrong default title for UPNP files
Merge pull request #247 from DavidWiesner/fix-wrong-default-title-upnp

Fix wrong default title for UPNP files
Closes https://github.com/MizzleDK/MizuuApp/issues/150.
Closes https://github.com/MizzleDK/MizuuApp/issues/142
Removes dividers from navigation drawer ListView. Also closes https://github.com/MizzleDK/MizuuApp/issues/130.
No fragment / Activity specific typefaces, please! Changed it to use the Application class method.
Improved support for sw540dp devices. Say goodbye to ugly layouts and layout errors in general on phablets and certain TV devices. Closes https://github.com/MizzleDK/MizuuApp/issues/128.
Fixed bug with TV show episode counter for each season. Also fixed a bug with sorting options not calling notifyDataSetChanged().
Exluded old, unused fragment from build path and removed reference to StickyGridHeaders library.