Updated release notes for 1.5b3 to note Tcl/Tk 8.4.19 in MacOS X version.
Updated release notes for 1.5b3 to note Tcl/Tk 8.4.19 in MacOS X version.


git-svn-id: a38512e6531051f4ba6aaa1c8358347ddeca2e1b@117775 b00c9580-4927-0410-8824-811d448ea4c7

r-owen/stui,r-owen/stui