Merge pull request #1260 from ZappoMan/master

fix new VoxelPersistThread behavior so it's actually only checking dirty bits every each persist cycle
add Paste To Voxel
Merge branch 'master' of https://github.com/worklist/hifi into paste_to_octalcode
Merge pull request #1261 from ZappoMan/paste_to_octalcode

add Paste To Voxel