Merge branch 'dev'

* dev:
  add sample app link in readme
  update rux theme;sample app;update types
  add flask to readme's description
  add app shot link
  simple example application with CURD.py
  use new rux theme: flask style pygments.css
  typofix in zh docs
Merge branch 'dev'

* dev:
  typofix
fix bug issue#12 at first step
add test case for issue#12
current changes for future version
Merge branch 'master' into dev

* master:
  current changes for future version
  add test case for issue#12
  fix bug issue#12 at first step
please open issues to help me!!!