update for devkit2
Update ios sdk and add js methods to set user id
Update android. Add setUserId and trackRevenue
Fix bug in ios trackRevenue
Fix staging key support on ios
Merge pull request #4 from gameclosure/feature-update-sdks

Feature update sdks
Add support for setUserProperties
update readme and bump to 2.0.0
fix error accessing CONFIG.modules

check for CONFIG and CONFIG.modules before trying to access
fields on CONFIG.modules.
add support for validating purchases
fix whitespace issue
Merge pull request #5 from gameclosure/feature-support-revenue-validation

Feature support revenue validation