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Orbit around voxel center, limit hover distance.
Merge branch 'master' of https://github.com/worklist/hifi
Fix (hopefully) for warning on Windows build.
Merge pull request #1511 from ey6es/master

Fix (hopefully) for Windows warning, orbit around hover voxel center (not corner).
When we fail to download textures or geometry, retry after steadily increasing
delays.  Closes #1471.
Merge branch 'master' of https://github.com/worklist/hifi into retryagain
change NodeList container to QHash with QSharedPointer
properly hook SharedNodePointer for signals/slots
repair add of new node (so it doesn't immediately kill)
fix deadlock in silent node removal
use typedef in NodeList implementation
Merge pull request #1512 from ey6es/retryagain

After failing to download textures or geometry, retry again after increasing delays.
move network packet processing to main thread
pull all available datagrams in Application processDatagrams
more follow mode cleanup, fix silent node iterator
replace the Node mutex with a QMutex
properly emit signal on silent node removal
repair iterator push on silent node removal
repair crazy references to node ponter from old iterator style