Preferences UI works
minor fixes
Preferences UI functional
Change better dialog titles
minor UI fix
Preferences screen functional. Clear favorites/locations is not yet functional.
major fixes based on review feedback
minor preferences UI fix and default values
Merge branch 'master' into preferences

Conflicts:
	src/se/kth/ict/hotspots/MainActivity.java
Merge pull request #11 from coyotebush/preferences

Preferences