In travis, run tests for python wrapping.
Fix travis syntax error.
Update .travis.yml
Update .travis.yml
Update .travis.yml
Update .travis.yml
Update .travis.yml
Update .travis.yml
Clean up signature to constructOutput.
Merge with master.
Merge conflicts.
[travis] Increase python test verbosity
Get python tests to pass.

Model files changed substantially, so I no longer check against old model
files.

The only real issue here is that there is no copy constructor for Model's in
scripting.
[travis] nosetests verbosity
[travis] Copy model files for python tests.
[travis] just run one python test.
minor formatting
[travis] debugging...
[travis] Need write access to install dir.
[travis] Remove debugging lines.