Update README.md
Add support for Added row css class and fixed disabled state of select controls
Add support for date format for readonly date fields
Add support for OrderBy
Fix missing semicolon in JS file
Change dateFormat to a more general formatter function
Merge branch 'master' of github.com:bdb-opensource/simple-grid into gh-pages

* 'master' of github.com:bdb-opensource/simple-grid:
  Change dateFormat to a more general formatter function
  Fix missing semicolon in JS file
  Add support for OrderBy
  Add support for date format for readonly date fields
  Add support for Added row css class and fixed disabled state of select controls
  Update README.md