enable continuous integration via craigcitro/r-travis
enable continuous integration via craigcitro/r-travis
Merge branch 'travis' of https://github.com/fabian-s/RLRsim into travis

Conflicts:
	.Rbuildignore
tweak travis
tweak travis
Merge branch 'travis' of https://github.com/fabian-s/RLRsim into travis
fix README