statusbar proposal

specs & icons
statusbar - update1

changes :
- added nipple to battery
- added empty battery
- replaced tall white battery gauge with 5px height one to use in
implementation
- replaced battery in statusbar specs with nipple one

- removed circular icons in list view
- moved wifi signal strength icons in place of circular ones
- added corresponding specs

TODO:
- gps icon
- nfc icon
- goto settings icon
Merge pull request #11 from bitsandnumbers/master

proposal for statusbar