Fixed issue #2172: Support num parameters of git blame -M and git blame -C

Signed-off-by: Martin Strauß <MStrauss@MuellerBBM-vas.de>
Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Added missing documentation for the TortoiseGitBlame settings page

(Fixes issue #2173)

Signed-off-by: Martin Strauß <MStrauss@MuellerBBM-vas.de>
Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Merge branch 'blame-c'
Update Changelog.txt

Fixed by libgit2 update

(Fixes issue #2174)

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Fix cannot set symlink to index

Before this fix, it could only unset symlink to index

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

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

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Use libgit2 for merge-base

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Use libgit2 for deleting local references

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Force parameter is never used

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

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Use libgit2 for cat command

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Improve error handling of GetOneFile

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

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

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Use libgit2 to get branch list

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