Switch to Dict HexCoord a representation
Remove some dead code
Remove more dead code
Implement Rectangular operations
Fix rectangular creation to center at 0, 0
Add preliminary jsPerf tests
Update Demo for rectangular hex grid
Clean up performance tests
Update and rename Performance.elm to Benchmark.elm
Update Benchmark & move to Tests
Got Elm-Test tests to compile

Still need to actually fix them though
Change language-ecmascript version in .travis.yml

To work around the compatibiity issue with Elm and
language-ecmascript-0.16
Finish updating tests for Dict redesign

All should now pass
Add Elm-Benchmark to .travis.yml
Trivial .travis.yml reorganization
Update .gitignore
Fix rectangularHexGrid api
Update neighbor for 4x performance boost

Also removes entire need for Helpers.elm
Update Benchmark for fixed rectangularHexGrid
Change distance algorithm for slight performance boost