automv: use lowercase for docstring title
The first line of docstring is used in `hg help -e`. Use lowercase to be
consistent with most extensions.
--- a/hgext/automv.py Thu Mar 23 22:31:50 2017 -0700
+++ b/hgext/automv.py Thu Mar 23 21:15:39 2017 -0700
@@ -4,7 +4,7 @@
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
-"""Check for unrecorded moves at commit time (EXPERIMENTAL)
+"""check for unrecorded moves at commit time (EXPERIMENTAL)
This extension checks at commit/amend time if any of the committed files
comes from an unrecorded mv.