checking number of cores on travis
quick comment to test service hook
fix
installing
testing mp on travis
calling process from nosetests command line
adding multicore processing to unit tests
turning on spreg testing
making nose verbose
testing against multiple versions of scipy
Merge pull request #1 from pastephens/scipy

testing against multiple versions of scipy
trying fixes for apt-add
testing apt-add
testing apt-add
fix for string sub
adding more ubuntu repos to test against scipy
DOC contrib updates and links
Turning off doctests (docstring tests)

Devs can run the docstring tests by passing in the command line option "--with-doctest" to nosetests.
DOC cleaning up files after running doctests #398
tweaks to travis system