Add setting for nsfw content

TODO immediately reflect this setting change too
Multiple subreddits and minor bugfixes

Fixed nsfw
Fixed issue with "https"
Merge branch 'master' of https://github.com/gmkarthik64/Bakegami into gmkarthik64-master

Conflicts:
	res/xml/preferences.xml
	src/com/akrolsmir/bakegami/SettingsActivity.java
	src/com/akrolsmir/bakegami/WallpaperManager.java
Merge branch 'gmkarthik64-master'