make rest2html links in README relative

Also update line number to point to rest2html command use.
Merge pull request #182 from github/relativize_readme

Make links in README relative
rstrip results to avoid errors dealing with newlines at the end of a file
Fix failing tests

All of these deal with attributes moving around in the files.
Add script/bootstrap to get all the required libs
Add cibuild script
More cibuild updates
Properly run easy_install for travis
Use pip for Travis
Add vendor to .gitignore
Fix LHS test file
:lipstick:
Merge pull request #217 from github/fix-tests

Fix tests
Merge branch 'master' into litcoffee