Be less strict when guarding concurrent access to revision file lists

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

Signed-off-by: Sven Strickroth <email@cs-ware.de>
AboutDlg: No need to parse git.exe version

TortoiseGitProc already does that on startup.

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Cache git.exe version while a TortoiseGit process is running

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Include git.exe path and version in crash reports

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

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