implemented handling of onAppStorePurchaseVerification

Hopefully I did this correctly... The submodules do not clone on a recursive and git deleted some empty directories


git clone --recursive https://github.com/Andargor/cocos2dx-store.git
Cloning into 'cocos2dx-store'...
remote: Reusing existing pack: 4670, done.
remote: Counting objects: 20, done.
remote: Compressing objects: 100% (15/15), done.
remote: Total 4690 (delta 3), reused 12 (delta 1)
Receiving objects: 100% (4690/4690), 47.99 MiB | 6.25 MiB/s, done.
Resolving deltas: 100% (1859/1859), done.
Submodule 'submodules/android-store' (git@github.com:soomla/android-store.git) registered for path 'submodules/android-store'
Submodule 'submodules/ios-store' (git@github.com:soomla/ios-store.git) registered for path 'submodules/ios-store'
Cloning into 'submodules/android-store'...
The authenticity of host 'github.com (192.30.252.128)' can't be established.
RSA key fingerprint is 16:27:ac:a5:76:28:2d:36:63:1b:56:4d:eb:df:a6:48.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'github.com,192.30.252.128' (RSA) to the list of known hosts.
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
Clone of 'git@github.com:soomla/android-store.git' into submodule path 'submodules/android-store' failed