cleaning up docs and default conf file
fixes #188...  Active class was not being assinged to nodes unless nodeTypes was defined in conf
Merge branch 'master' of https://github.com/GraphAlchemist/Alchemy into ifj_landing
added examples module
carousel via amgular-bootstrap is implemented, need to provide content and style. fixed example bug where hash would remain after exiting full app
added image assets for features carousel. implemented features carousel.
making styles on landing page more consistent. added quickstart div but still needs content