Dragging works now

Dragging works now. There is also a listener for rearranging. Still problem with flicker though
Child and sequence lists added to OverviewActivity
Dragging and rearranging properly handles multitouch.
Merge branch 'develop' of github.com:christianlykke9/Zebra into develop
Oasis submodule
Added frame to pictograms
Added oasis lib submodule
Merge branch 'develop' of github.com:christianlykke9/Zebra into develop
Merge branch 'develop'
Merge branch 'master' of github.com:christianlykke9/Zebra