dzil: run Test::Compile as an xt test

This is breaking Mo in machines that don't have some of the optional
dependencies to Mo like IO::All, Mouse, Moose, Class::XSAccessor
Add travis-ci integration
Update Changes
dist.ini: generated header for Changes file includes 'changes:' key

Lazyness.
Bump $VERSION to 0.37
Merge remote-tracking branch 'carlos/really-optional-dependencies'