Changes of ProPTT2 SDK 2.1.x

List of 2.1.3

• Supported Multi-lock receiving
• Supported re-used user account(Required server 3.2.1~)
• Added shareLocations in channel
• Fixed bugs

List of 2.1.2

• Added enableInternalLock in PTTChannel
• Added ChannelRole in Member information
• Added OnSOS event in PTTClient
• Added GetLatitude, GetLongitude in ILocationManager
• Fixed bugs