Add Kerbal Alarm Clock wrapper

Downloaded from https://github.com/TriggerAu/KerbalAlarmClock/blob/feature/v3refresh/KerbalAlarmClock/API/KACWrapper.cs

API docs: http://triggerau.github.io/KerbalAlarmClock/api.html
Change namespace on KAC wrapper
Update KACWrapper to an acutal working version
Kerbal Alarm Clock support for ETA
Don't give ETA for paused builds
Fix ship name in KAC alarm