Add a manpage for cg_annotate.  Now only valgrind-listener and cg_merge lack
a manpage, and they're so simple I can't be bothered doing ones for them
(they don't even have sections in the manual).

Also fixed a few minor things relating to manpages.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10744 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/cachegrind/Makefile.am b/cachegrind/Makefile.am
index fa257f0..94df249 100644
--- a/cachegrind/Makefile.am
+++ b/cachegrind/Makefile.am
@@ -1,6 +1,8 @@
 include $(top_srcdir)/Makefile.tool.am
 
-EXTRA_DIST = docs/cg-manual.xml
+EXTRA_DIST = \
+	docs/cg-manual.xml \
+	docs/cg_annotate-manpage.xml
 
 #----------------------------------------------------------------------------
 # Headers, etc