ISSUE_4 (#4): fixed visibility toggling
Merge branch 'ISSUE_4' of github.com:3drepo/3drepo.io into ISSUE_4
ISSUE_4 (#4): Increasing digest iteration limit to fid the infdig js error on certain datasets
Merge remote-tracking branch 'remotes/origin/ISSUE_4'

Conflicts:
	public/js/3drepoapp.js