[#48467039] Added new Location Selection View.  UI still needs to be completed. Waiting on updated PSDs or at least UI direction
[#51357795]  Updated Add Art View UI.  Getting closer to new design
updated add art ui
[#50336235] [#48968545] [#50155187] [#51357795] [#52438911]  updated URL attribution field keyboard. displaying multiple categories in the correct places. New Add Art layout/ui. Added link URL field back in. Hooked up URL field.
updated category view ui
[#48467039] updated location selection UI
[#52603577] Updating Filter.  Added static Categories.  Removed Neighborhood, Events, and Popular
Merge remote-tracking branch 'origin/detailviewupdate' into multi-categories

Conflicts:
	src/ArtAround.xcodeproj/project.pbxproj
	src/ArtAround/Classes/AppDelegate/ArtAroundAppDelegate.m
	src/ArtAround/Classes/Views&Controllers/AddArtViewController.h
	src/ArtAround/Classes/Views&Controllers/AddArtViewController.m
	src/ArtAround/Classes/Views&Controllers/ArtListViewCell.m
	src/ArtAround/Classes/Views&Controllers/CalloutAnnotationView.m