Updated UI to add countdown bar for last GPS signal among other UI tweaks.
A few more UI tweaks. Disabled QC button when no site is selected. Fixed manual lock selector to not display empty site objects when no sites are found in zone.
A couple of minor code fixes in the enable properties of the QC and actionDiv buttons.
Merging geolocation counter and UI fixes into dev branch.
Merging changes from dev branch for geolocation and UI updates.