Merge pull request #834 from brooksryba/develop

Develop
cachebust
Merge pull request #835 from Tendrid/develop

cachebust
cachebust models
Merge pull request #836 from Tendrid/develop

cachebust models
Fixes for tables etc
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop
Merge pull request #837 from ahomatthew/develop

Develop
Fixed bug causing entering a zoom level manually to fail
Merge branch 'develop' of github.com:sightmachine/SimpleSeer into develop