Merge pull request #2898 from ZappoMan/deletemodel

added delete support to edit models
Fixed script editor crash when script calls Script.stop(). Also made the
processEraseMessage wait until it can lock to ensure particles are
deleted.
Merge branch 'master' of https://github.com/highfidelity/hifi
fix broken mouse edit
Merge pull request #2900 from ZappoMan/deletemodel

fix broken mouse edit
Fixed my mistake by unlocking the lock.
change node auth URL to data.highfidelity.io
Merge pull request #2899 from Barnold1953/master

Particle and script editor crash fixes.
Merge pull request #2901 from polac/19671_proposal

Initialise lisencing manager after we have enabled Visage.
Merge pull request #2902 from birarda/master

change node auth URL to data.highfidelity.io
also support deleting mouse selected model
Working on handling animation priorities to prevent Hydra move/restore from
interfering with scripted animations.
Merge branch 'master' of https://github.com/highfidelity/hifi into animenu
Merge pull request #2903 from ZappoMan/deletemodel

also support deleting mouse selected model
show credit balance in window title
More priority bits.
make sure balance is cleared on logout and re-launch
fix rate of payment for assignments
output when pay-for-assignments is on
Merge branch 'master' of https://github.com/highfidelity/hifi into credits