+Changed Tcl record filter so that it attemps to read <filt>.tflt. If
+that fails, the filter reads the file <filt>.flt (regx style filter).
+
Implemented new Tcl record filter - use grs.tcl.<filter> to enable it.
Zebra's configure script automatically attempts to locate Tcl. For
manual Tcl configuration use option --with-tclconfig=<path> to specify