Merge pull request #5 from realizedmobile/master

Support Phonegap 3.0
Update README.md
Cordova 3.1.0 support added for the new amazon-fireos platform
Missing broadcaster receiver added (https://developer.amazon.com/public/apis/earn/in-app-purchasing/docs/quick-start)
Merge pull request #7 from werk85/master

Cordova 3.1.0 support added for the new amazon-fireos platform. Broadcast receiver added.
getItemData fixed
Merge pull request #8 from werk85/master

getItemData fixed. It now returns a result to the given callbacks
Initialize should return OK instead of ERROR when calling multiple times
onSdkAvailable misleading parameter name isSdkAvailabe change to isSandboxMode
Merge pull request #9 from werk85/master

Merged.