fixed compass image

colors were leaking behind the main view
worked on compass
fixes on detail view & added key for the map
changed compass graphics
added app icons
implemented custom annotation image
fixed annotation images
added more crime annotation images
added @2x images for the compass view
Merge branch 'NewCompassImage'
minor fixes
Merge branch 'NewCompassImage'
fixed storyboard for iphone 4
Merge branch 'NewCompassImage'
added homicide crime annoation
Merge branch 'NewCompassImage'
fixed constant zooming into user loc
Merge branch 'NewCompassImage'
changed device family
Merge branch 'NewCompassImage'