** The first native Github commit (ie not one converted from SVN **
Change Google Refine to OpenRefine or just Refine.
Change icon filenames and add some placeholder icons
Tried to validate literal values when generating freeq triples (e.g., so numeric years get converted into strings for /type/datetime properties).
git-svn-id: http://google-refine.googlecode.com/svn/trunk@1562 7d457c2a-affb-35e4-300a-418c747d4874