Add MANIFEST.in file

The MANIFEST.in file includes all of the files used by the themes we
ship with MkDocs and excludes __pycache__ (py3) and py[co] (py2).

Fixes #196
Fix: use underscores in google_analytics
Merge pull request #219 from ngzhian/fix216/ga-underscores

Fix: use underscores in google_analytics
Merge pull request #200 from d0ugal/manifest

Add MANIFEST.in file
Searchbox disabled untill implemented
Proper syntax highlighting implemented

Using highlight.js yelds much better results then google prettyfy. Also
modification for nice pure "code" tags.
Proper styling for lists and tables
Fixed unset href links in sidebar for readthedocs theme
Changed padding for code tag
changed case sensitive theme
Git ignore IDE settings
License added (required)
Vendor folder removed and moved into standard structure
Syntax highlightning for mkdocs theme
Remove IDE specific config.
Remove commented line
Move JS init to base.js
Move CSS to the top, JS to the bottom
Rename github.css
Rename github.css and move the HTML links