sleep for longer between discovery periods, make sure the radio is send to sleep
kill apps  on pressing home
Merge pull request #91 from emfcamp/kill-with-b

Kill with b
Fix an array allocation error.
Keep redrawing the sponsor app.
Put Snake back in. Seems to be working.
Merge pull request #92 from emfcamp/coffeyfixes

Coffeyfixes
HomeScreenApp was leaking memory for header and footer text.
Fix another memory leak.
wrap new and delete. These should be in a better place, but it works.
Move the new and delete functions.
Merge pull request #93 from emfcamp/memory

Memory leak fixes.
Do not kill home screen on pressing b
tetris memory freeing on destruct
Merge pull request #94 from RJ/master

tetris memory freeing on destruct
Merge branch 'master' into feature/BatteryWarnings