Merge branch 'ks/rebase-no-git-foo'

Mentions of "git-rebase" and "git-am" (dashed form) still remained
in end-user visible strings emitted by the "git rebase" command;
they have been corrected.

* ks/rebase-no-git-foo:
  git-rebase: clean up dashed-usages in messages

git-rebase.sh

@@ -9,7 +9,7 @@ OPTIONS_STUCKLONG=t
 OPTIONS_SPEC="\
 git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] [<upstream>] [<branch>]
 git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] --root [<branch>]
-git-rebase --continue | --abort | --skip | --edit-todo
+git rebase --continue | --abort | --skip | --edit-todo
 --
  Available options are
 v,verbose!         display a diffstat of what changed upstream
@@ -216,7 +216,7 @@ run_pre_rebase_hook () {
 }
 
 test -f "$apply_dir"/applying &&
-	die "$(gettext "It looks like git-am is in progress. Cannot rebase.")"
+	die "$(gettext "It looks like 'git am' is in progress. Cannot rebase.")"
 
 if test -d "$apply_dir"
 then