Initial addition of 'contributors' section
Additions to Tips & Tricks and spellcheck
Added header to navigation
Incorporated changes from https://github.com/openxc/openxc-python/blob/master/CONTRIBUTING.rst
Renamed 'contributing_details' to 'how_to_contribute'
Created contributing_tips_and_tricks file
Changed navigation link for 'Contributing Details' to 'How to Contribute'
Moved 'Tips and Tricks' from 'How To Contribute' to 'Contributing Tips and Tricks'
Added 'Contributing Tips' to the contributing nav bar
Fixed broken link and poor grammar.
Added a bullet under the 'pull request' section concerning master/next branches
Removed Contributors page from top nav.
Fixed contributors links.
All contributors pages now use the community sidebar.
Removed contributors sidebar.
Merge remote-tracking branch 'nathorne/contributorsToCommunity' into next
Move top level contributors page to subfolder.
Adjust contributors links and URLs for consistency.
Remove some duplicate content from the contributors section.

Just trying to minimize the amount of places that will require
maintenance.
Adding a new page, 'Preparing your Workstation' to consolidate the installation documentation for Cygwin, Homebrew, and the necessary libraries for both the python library and the VI-firmware utilities. Also updated a couple pages to make things consistent.