Install `grunt-shell`.
Build documentation through Grunt.
Open HTML documentation via grunt.
Add step to "making releases" doc about RTD.
Merge branch 'master' into grunt-sphinx
Semantic changes in Grunt Sphinx integration.
Merge pull request #594 from wymeditor/issue_594

Closes #594 Read the Docs version builds
Merge branch 'master' into grunt-sphinx

Conflicts:
	Gruntfile.js
Fix some typos in 'testing wymeditor' doc.
New, "Contributing Documentation" doc.
Merge pull request #600 from wymeditor/grunt-sphinx

Yey for integration of Sphinx into Grunt.
Add additional Read the Docs step to "release" doc
Merge branch 'master' into README_rst
Added a full TOC page to the docs.
Included some of the README in the doc's index.
Merge branch 'README_rst' into readme_rst-and-homepage

Conflicts:
	Gruntfile.js
Change protocol on an image link in the readme.
Merge branch 'README_rst' into readme_rst-and-homepage