Merge pull request #16 from silverscania/master

Fix for cursor not closed exception when using android API-8
added equipping functions to StoreInventory
Merge branch 'master' of github.com:soomla/android-store

* 'master' of github.com:soomla/android-store:
  Simply close the cursor to stop exception. Don't need startManagingCursor
  Added startManagingCursor to fix exceptions when building with android API-8 for soomla/android-store#15
SOOMLA Model v3!
Soomla Model V3!
- cleaning code
- added restoreTransaction function to StoreController
- removed automatic restoreTransaction
- fixed example project
- new model cosmetics
- new model docs
- fixed logic of equipping and upgrading
optimized imports
Update README.md
Update README.md
added test project
added test project
improvements to new model V3

- removed "amount" from "buy" function all over
- more error handling
- code cosmetics
Added give/take functionallity to StoreInventory

+ code cosmetics
Not verifying purchases on test mode
all pointers between domain objects were converted to String itemId
all pointers between domain objects were converted to String itemId
removed level from UpgradeVG

- added nextItemId to UpgradeVG
- fixed the way GoogleMarketItem is creating its Managed status
changed function names
Merge branch 'modelV3'

* modelV3:
  changed function names
  removed level from UpgradeVG
  all pointers between domain objects were converted to String itemId
  all pointers between domain objects were converted to String itemId
  Not verifying purchases on test mode
  Added give/take functionallity to StoreInventory
  improvements to new model V3
  added test project
  added test project
  optimized imports
  - new model cosmetics - new model docs - fixed logic of equipping and upgrading
  - cleaning code - added restoreTransaction function to StoreController - removed automatic restoreTransaction - fixed example project
  Soomla Model V3!
  SOOMLA Model v3!