[FIX]Distinguish between blogs and blog posts, and between file gals and files, with slightly different icons also

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49560 b456876b-0849-0410-b77d-98878d47e9d5
[ENH]Added calendars and their events to the module since_last_visit_new.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49561 b456876b-0849-0410-b77d-98878d47e9d5
[ENH]Distinguish the active tab from the others in the module since_last_visit_new when in jquery mode

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49562 b456876b-0849-0410-b77d-98878d47e9d5
[ENH]Distinguish the active tab from the others in the module since_last_visit_new when in jquery mode. Lighter grey color, better contrast in admin modules >  edit (tabs)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49563 b456876b-0849-0410-b77d-98878d47e9d5