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/console.tcl

@@ -120,7 +120,7 @@ method _read {fd after} {
 			} else {
 				$w_t delete $console_cr end
 				$w_t insert end "\n"
-				$w_t insert end [string range $buf $c $cr]
+				$w_t insert end [string range $buf $c [expr {$cr - 1}]]
 				set c $cr
 				incr c
 			}