Merge branch 'maint'

* maint:
  git-gui: Don't display CR within console windows
  git-gui: Handle progress bars from newer gits
  git-gui: Correctly report failures from git-write-tree

Conflicts:

	lib/commit.tcl
	lib/console.tcl

lib/commit.tcl

@@ -253,7 +253,7 @@ proc commit_committree {fd_wt curHEAD msg} {
 	global repo_config
 
 	gets $fd_wt tree_id
-	if {$tree_id eq {} || [catch {close $fd_wt} err]} {
+	if {[catch {close $fd_wt} err]} {
 		error_popup [strcat [mc "write-tree failed:"] "\n\n$err"]
 		ui_status {Commit failed.}
 		unlock_index