s/COPYING/LICENSE.txt/ in source files

Thanks to @sergiopasra for the heads-up; fixes #33.
drop python 2.5 from travis tests, since it is no longer supported
make sure RandomState.normal(size=) argument is an int; avoids deprecation warning on new numpy
add more debugging code to try and figure out wtf is going wrong with py33 on travis
more travis debugging
more travis debugging
more travis debugging
remove testing code now that py3.3-on-travis 2to3 bug is fixed
switch to different method for adding js and css files to docs; hopefully fixes the missing default stylesheets on RTD (gh-35)
fix highlighting (I hope?) in expert-model-specification page
try fixing expert-model-specification highlighting again
add quickstart example on using Q built-in
Merge pull request #38 from CamDavidsonPilon/master

add quickstart example on using Q built-in
expand further on Q() in the quickstart
get rid of our local copies of the ipython/sphinx integration in favor of the ones that are now shipped with ipython
link I() in quickstart to its docs
add py34 testing to travis
Added 'mgcv' compatible stateful transforms

New 'cr/cs', 'cc' and 'te' stateful transforms matching what is found
in the 'mgcv' R package.
Added missing "cc" in __all__ symbols.
Added TODOs for TE class