Merge pull request #11 from thomthom/master

Adding a simple JS <-> Ruby communication bridge.
0.9 release. IE warning option removed. ScrollTo.js issue fixed. Fixes #1, fixes #2, fixes #8, fixes #9, fixes #12
Removed nested operations. Fixes #10
OSX - Fixed options dialog. Disabled automatic display of the toolbar on osx. Fixed "purge groups" operation. Fixes 14, fixes 16
Fixes #17. Changed add hidden layer button. It was misleading.
Changed layer hidden on new pages.
Changed "Add layer hidden in other scenes" (Again...)
Compatibility with the KeyShot renderer
Better resize method (Inspired by SKUI)
Changed "new layer" button hold-down timer. Added "Add layer on new scenes". Release 0.10
Added Command key detection for shortcuts on OSX. Fixes #21
Fix Google Earth Snapshot bug. Fixes #20
Fixed options dialog on OSX. Fixes #14
Added debug dialog. Fixed bug with observers at startup.
Better management of multiple models on OSX. Fixes #18
Added layer colors support for 2014. (Disabled until 2014 is actually out)
Fixes #22
EntityObservers are now tracked using an hash, instead of attributes.
Activated layer colors for SU2014. Release 1.0.0
Fixed bug with undo operations. Fixes #23