Merged all components on Sep 11. (#240)

* Build using Travis.

* Scripts to test OSX and Linux packages.

* Pull from branch chhennapoda.

* No clang.

* Made scripts executable.

* New version.

* Squashed 'moose-core/' changes from d229eba..406fee2

406fee2 Temp commit to test on OSX.
cc3c604 Merge branch 'master' into chhennapoda
3420928 Update moose_test.py (#301)
61f4f66 show timeout in moose.test() .
abf822c with python2, just test with GSL. Build python3 first.
088c616 Made changes to build system so that pymoose directory can be built in isolation. Build system is bit more module. Ideally I should make sure that each subdirectory can built in isolation.
3c0ff27 Few changes to build with python3.6.
5d688f6 Use option --relative in setup.py and tell cmake not to look into usr prefix anymore.
1f3fe9f Merge branch 'chhennapoda' of github.com:BhallaLab/moose-core into chhennapoda
3e19983 removed unneeded library which is never used.
c2fbab8 cmake related changes to build on cen...