removed UDP references. Fixes #8.
Updated .gitignore

Now include github's default .gitignore. Also stopped ignoring ebin directory.
Even more updates

Missed a couple of things that needed cleaning up.
Corrected case statement so conditions match input.
Merge pull request #19 from SkewedAspect/bug-ccase-remove-udp

Remove UDP
moved pre_entity_engine to pre_entity_layer.
moved pre_entity_controllers into pre_entity_layer.
moved pre_geometry into pre_entity_layer.
lesson learned: git lies, and lordnull is always right.
Merge branch 'feature-ccase-app-reorg' of https://github.com/SkewedAspect/precursors-server into feature-ccase-app-reorg