[CDF-332] - Make samples run against require modules
  - fixed typos and small HTML bugs
[CDF-331] - Create a module for each component
  - removed wd namespace and helpers usage (core components)
[CDF-376] -  Check wd namespace and helpers usage
  - replaced usage with extensions for the appropriate component/dashboard module (core components)
Merge pull request #274 from afrjorge/require-js

[CDF-332] - Make samples run against require modules