Bug fixes in StoreInventory

Minor bug fixes

Removed binaries and improved build scripts

Improved docs and supporting changes in submodules

VerifyOnServerFailure & New build way

Minor bug fixes

GP verification & WP8 Integration

Minor bug fixes and supporting submodules changes

making Soomla Store compatible with Unity 5 + upgrading to v1.7.15

upgrading to v1.7.14