add dist for gh-pages
Merge branch 'master' into gh-pages

* master:
  quick on css network error
* master:
  add reveal trigger on state enter & leave
update version
Merge branch 'master' into gh-pages

* master:
  add github fork me
  add clean task on gulp build
Merge branch 'master' into gh-pages

* master:
  update demo
  somes refactors
  sounds good
  some enhancement
  update readme.md
update external libs
Merge branch 'master' into gh-pages

* master:
  update demo
  update README.md + version number
  refactor done
  refactor sounds good
update build version
Merge branch 'master' into gh-pages

* master:
  fix relative path error
Merge branch 'master' into gh-pages

* master:
  fix call changeState + update index.html
update deployed version