Fix missing anchor

Signed-off-by: Yue Lin Ho <b8732003@student.nsysu.edu.tw>
Signed-off-by: Sven Strickroth <email@cs-ware.de>
Fixed issue #1978: Use file directory on Save revision to path in Repository Browser and log dialog

Signed-off-by: Yue Lin Ho <b8732003@student.nsysu.edu.tw>
Signed-off-by: Sven Strickroth <email@cs-ware.de>
Update to apr 1.5.0 and apr-util 1.5.3

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Minor cleanup

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Update years in copyright hints to reflect current state

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Updated libgit2

(Fixes issue #2051)

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>