Grids: Removed default text shadow for th elements.
Merge pull request #3041 from pjackson28/removedefaultthshadow

Grids: Removed default text shadow for th elements.
Merge branch 'v3.0'
Slideout: Added missing space in toggle link.
Merge pull request #3051 from pjackson28/fixslideoutspacing

Slideout: Added missing space in toggle link.
Merge branch 'v3.0'
Slideout: Converted space from v3.0 to i18n interword space.
Slideout: Fixed JSHint issue.