more keywords for trac-post-commit-hook

[xris*siliconmechanics.com]

sorry for not attaching as a patch. I figure it's a quick enough fix that it's easier to just paste in the changes (this comes from my personal tree, so the patch wouldn't easily apply, either).

Just adds some more refs for stuff like "apply patch from #123" or "see comment in #123"

Index: trac-post-commit-hook
===================================================================
--- trac-post-commit-hook       (revision 1744)
+++ trac-post-commit-hook       (working copy)
@@ -125,6 +125,8 @@
                        'fixed':      '_cmdClose',
                        'fixes':      '_cmdClose',
                        'addresses':  '_cmdRefs',
+                       'from':       '_cmdRefs',
+                       'in':         '_cmdRefs',
                        're':         '_cmdRefs',
                        'references': '_cmdRefs',
                        'refs':       '_cmdRefs',

[xris*siliconmechanics.com]

my bad, duped my own ticket #2573