Updating version line in About section

Version was left at 2.0.4

various bugfixes and inprovements

Grunt build system and

Version 1.9.0 introduced column pinning and multi-sort.

Merge pull request angular-ui#139 from angular-ui/rearch

Rearch to 1.8.0

Fixed bugs for cell selection edge cases.

Updating to 1.7.0

Add new way for selecting rows programmatically. Row index is now zero
based. Added/changed grid emit events.

Fixed angular-ui#93. Updates to multiselect and refactored. Updating …

…to 1.6.3.

Can now highlight/copy text in grid. Fixed multiple issues when using
multiselect along with shift key.  Won't highlight text when shift key
is down. Refactored key events so now they are all in the same directive
for viewport. Hovering over highlightable text will change cursors in
viewport. If column is not visible, won't be able to group by that
column. Updated plugin.

Updating to 1.6.2 for two-way data-binding in for templates.

updated ng grid debug