only capturing the first 3 numbers of the semver in docs to prevent crazy unnecessary commits.  Closes GH-24
stripped out the git exporting and init support in favor of the much cleaner Rake approach
adding doc export to the rake script and making a bad export fail the dang build.  Closes GH-19
made the export url logic smart enough to handle html dumps, rooted gh-pages, and nested gh-pages.  Closes GH-25, Closes GH-26