make event dispatcher 0.2.1-alpha1 depend on optimizelySDKShared 0.2.1-alpha2
make event dispatcher 0.2.1-alpha1 depend on optimizelySDKShared 0.2.1-alpha2

optimizely/objective-c-sdk,relayrides/objective-c-sdk,relayrides/objective-c-sdk,optimizely/objective-c-sdk,optimizely/objective-c-sdk,relayrides/objective-c-sdk,optimizely/objective-c-sdk,relayrides/objective-c-sdk