made the pack completely portable and wrote relevent bat files to go with it

gitportable/mingw64/lib/tcl8.6/msgs/en_ca.msg

@@ -0,0 +1,7 @@
+# created by tools/loadICU.tcl -- do not edit
+namespace eval ::tcl::clock {
+    ::msgcat::mcset en_CA DATE_FORMAT "%d/%m/%y"
+    ::msgcat::mcset en_CA TIME_FORMAT "%r"
+    ::msgcat::mcset en_CA TIME_FORMAT_12 "%I:%M:%S %p"
+    ::msgcat::mcset en_CA DATE_TIME_FORMAT "%a %d %b %Y %r %z"
+}