Merge pull request #4 from srush/semirings

Don't think this file should be tracked
Model updates.
Model updates.
Add c++11 option to python build.
Fixed docs.
Adding back .so which is needed to build docs.
Adding in doc templates.
Linear programming code
Add slides
Fix up the tests for notebooks.
Trying out travis.
Requirements.
Fix travis file.
Fix requirement.
Fix requirement.
Fix requirement.
Move back to range-based for
Update README.rst
Slides
Merge branch 'master' of github.com:srush/decoding