Removed collada support in the encoder tool.
- The Collada dom external dependencies will be removed later.
- The dae files in the design directories will be removed later.
Removed collada dom from the xcode project.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next
Changed the encoder project to use FBX 2013.3 instead of 2013.2
Added the pre-compiled gameplay-encoder executable for mac
Merge pull request #871 from dgough/next

Removed collada support from the encoder