C SDK intros
Merge pull request #22 from amy-kurtzman/stage

main.less: improved spacing between h* headings
Cleaned up and enhanced PHP documentation.

Specifically, added more details surrounding timeouts and
error handling, cleaned up ToC to more closely match the
standard format and removed the API reference style sections
which will be replaced by the PHP autodoc as is the case with
other SDKs.
Python 1.1.0 docs update
Python 1.1.0: Release notes
Fixed whitespace issues.

These changes are trivial but just using them to show someone else
how to add to a pull request.
node.js intros
Python formatting enhancements

This commit fixes several issues:

* Some extra whitepsace in the source
* Output and source examples missing line breaks
* Syntax highlighting
Merge pull request #24 from mnunberg/stage

Python formatting enhancements
Added link to developer day samples.
Merge pull request #25 from amy-kurtzman/stage

Stage