link to teachers_pet
add section around seeding repositories
gloss over how to seed repositories manually
add plug for using GUIs
Merge pull request #6 from education/guis

Add recommendation for using GUIs
Merge pull request #3 from education/teachers-pet

Link to teachers_pet
set up rake task for validating links
set up travis
dont require pry
fix link to CC license
swap any URLs pointing to other pages on education.github.com
move installed gems into hidden folder on travis

otherwise they are picked up by the proofer :-(
use markdown_proofer 0.1.0
remove unnecessary .gitignore
Merge pull request #7 from education/proof

set up Markdown validation
Merge remote-tracking branch 'origin/master' into public-repos

Conflicts:
	guide.md
fix validation for split guides