Bug fixes to Filter Panel.

- Fixed issue with setting match type to isNull or isNotNull and not being able to reset it
- Reset now also resets columns whose match type is IsNull or IsNotNull
- IsNull and IsNotNull now also highlight the column label red.
Bug fixes in IE
Enhancements adn bug fixes to Filter Panel

- Enhanced so that user can select the logical match for each column (AND, OR)
- Fixed column label not turning red for IsNull and IsNotNull
- Fixed the column UI becoming "locked" if user picked IsNull or IsNotNull
- Fixed Reset not resetting IsNull or IsNotNull
Updated jQuery in Demo to v1.10.2
Updated to built version of plugin and demo showcase page.