Merge pull request #753 from godarklight/master

Make NTP work in the space center screen, set subspace time as soon as p...
Fixes #750, & fixes duplicate asteroid on every connection
also fixes a minor deferred time-sync issue, & includes possible fix for all-building NRE lockup issue (not fully tested)
Fix some issues with processing active player updates while at Tracking Station, fix SC NREs caused by SyncPlate collision
first stab at EVA-clone issue but fix isn't reliable, need to look at active player updates while at SC
Fix PauseMenu NRE.
I refuse to type a commit message
Fix another cause of NRE's.
Merge pull request #758 from godarklight/fix-pause-nre

Fix PauseMenu NRE.
Merge pull request #760 from godarklight/fix-kerbal-eva-lockup-nre

Fix another cause of NRE's.
Merge pull request #759 from godarklight/what-is-this

I refuse to type a commit message
Fix accidental logic error - We want to send everything but the sync plate.