travis.yml initial version
build status icon
fix yml syntax
try to install frotran packages

Details:
pymc install failing with the error
extension 'pymc.flib' has Fortran sources but no Fortran compiler found
Follow example at github.com/pymc-devs/pymc/.travis.yml
add syntax/error check; run dummy.py
try to use system scipy
Merge branch 'travis-test'

Conflicts:
	README.md