Updated sphinx generated files and config

This just brings it up to date with current sphinx, although there
admittedly has not been a lot of configuration changes.
Set Guzzle as new base template
Pushed layout changes upstream
Updated config with upstream theme changes
Silly typo is silly
Matched highlight color against glider logo
Updated and consolidated gitignores
Renamed "Setup" to "Overview", added license
Moved autoloader to overview, tweaked composer
Updated TOC and added placeholders for new files
Renamed "Basics" to "Examples"
Added new "Basics" file
Merge pull request #11 from tedivm/0.12.1

Reformatting and basic changes to docs