color changes for spine

moved to  crimson-darkest
crimson-darkest for just crimson

crimson-darkest is not a competed mapped color option
corrections to html structure
forgot to save that last commit
small change
listing out loaded extensions
updates to the docs.
adds style of github
small format changes
style change
little clean up
clearing up how to use in simple steps
Merge pull request #18 from jeremyBass/gh-pages

updates to the docs