Adding dev builds to tests.
Adding AMDify dev build.
Merge pull request #821 from bitovi/amd-dev-build

Configuration for AMD development build
Update contributing.md

A message about walking people through CanJS.
Using CanJS guides, first drafts.
Updating changelog.
release 2.0.7
Finalizing updated Using CanJS guides.
Adding quick installation instructions to the tutorial.
Merge pull request #830 from bitovi/using-guide-updates

"Using CanJS" guide updates
Merge branch 'master' of https://github.com/bitovi/canjs into new