improved mapfragment setup
new launcher (visible on dark or light background)
added jellybean check for service
add web icon
add xxxhdpi high-res
Merge branch 'master' of github.com:jtwarren/spidey

Conflicts:
	src/com/example/spidey/MainActivity.java
	src/com/example/spidey/ScanService.java
Merge pull request #9 from n8fr8/master

icon and map improvements