Added GUID to CE table, lengthened the StartValue,EndValue fields for SpQueryField table. Made some changes to the Image Browser. Changed GUID/LSID generator to UUIDs

git-svn-id: https://specify.svn.sourceforge.net/svnroot/specify/trunk/Specify@10834 ce9bf4bf-376f-1848-a496-a1c9fe3b1a39