spelling corrections
reviewed README
deleted intro.md
reviewed tutorial-01
reviewed tutorial-02
reviewed tutorial-03
updated project.clj to lein-cljsbuild 0.2.10
reviewed tutorial-04
reviewed tutorial-05
reviewed tutorial-06
reviewed tutorial-07
added code for tutorial-01
code for tutorial-02
added code for tutorial-03
added code for tutorial-04
added code for tutorial-05
added code for tutorial-06 without abstraction
removed abstraction
removed abstraction
added code for tutorial-07