No need to retrieve whole commit

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Fixed issue #2177: The tag with message can not be deleted

Signed-off-by: Sven Strickroth <email@cs-ware.de>
No need to call gitdll or git.exe for getting the current symbolic ref of HEAD

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Updated to apr 1.5.1

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Deduplicate code to get tracked remote branch

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Check return value of GetWindowText()

Based on TortoiseSVN rev. 25433.

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Resolve CRLF issues

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