get tests to properly run with FAKE.
Improve output for unit test logging in FSharpYacc tests.
Adjust travis script to use fake.
Get rid of choose tags in fsproj files, because xbuild does not handle them correctly atm.
Merge pull request #11 from DanielFabian/feature/GetCIGreen

Modify Travis CI build to use FAKE build script and modified the FAKE script to run the unit tests.