bug fixes in setFullscreen() and setEnableVRMode()
added similarStrings() helper
first cut at HMD Tools dialog
fix bug in resetSensors moving cursor to center of window on multiple screen systems
more improvements to HMD Tools
Merge branch 'master' of https://github.com/highfidelity/hifi into HMDMode
make HMD tools a checkable menu
added a comment to clarify why getCameraOrientation has an oculus special case
removed some debug, added a resetSensors() on exit of HMD mode
fix broken camera after leaving oculus/hmd mode
expand comment
don't delete the HMDToolsDialog on hide, keep it around till app exit.
add debug details to HMDTools
better mirrored monitor support
don't lookup entity when deleting script
fix typo from overwrite of gverb/readme.txt
snap cursor to center of HMD tools dialog when shown, or app when the dialog is hidden
fix crash in activateWindowAfterEnterMode in no oculus case
Merge pull request #3867 from AndrewMeadows/bispinor

don't lookup entity by ID when deleting script
Fix hands being put in face if Leap on HMD is set but Leap not connected

The joints were reporting themselves as "active" even though the Leap
wasn't connected, both at startup if not connected and after unplugging.