Added following channel properties in ChannelInfoResponse:

- uint LatencyFactor
- bool IsUnencrypted
- string SecuritySalt
- uint DeleteDelay
- int SecondsEmpty

channel_flag_private is not implemented yet by TeamSpeak so it doesn't make sense to implement this property.
Merge pull request #7 from FireEmerald/patch_channelinfo

Added following channel properties in ChannelInfoResponse: