MNT: add travis.yml for cont. integration

MNT: touched travis

MNT: add travis status

BUG: fixing travis filename

MNT: move dependencies in travis

MNT: add update to pip installs

MNT: more tinkering with travis

MNT: making pip quiet

MNT: try different `before_install`

MNT: removed `xlwt`/`xlrd`

MNT: more verbose output from pip/travis

MNT: try statsmodels .travis.yml

MNT:email

MNT: testing python version

MNT: try running tester.py

MNT: tinker with script cmd

MNT: the real travis image

MNT: moved tests around, added tester.py

MNT: added matplotlib back

MNT: trying more things with matplotlib

MNT: tinkering with pip

MNT: tinkering with easy_install

MNT: tinkering with easy_install2

MNT: tinkering with easy_install3

MNT: tinkering with easy_install4

MNT: tinkering with easy_install5

MNT: tinkering with easy_install6

Py3k: missed some big stuff apparently

MNT: more tweaks to get this right
TST: shut down the all tests script
Merge pull request #37 from phobson/add-continuous-integration

TST: Add continuous integration