Update libgit to 2.8.2
treef5ec4a3382594101fb46e84e9d4aab8eacd5be20
-rw-r--r-- 458 .gitignore
-rw-r--r-- 878 .gitmodules
-rw-r--r-- 224 .mailmap
-rw-r--r-- 231 .tgitconfig
drwxr-xr-x - Languages
-rw-r--r-- 3945 README.md
-rw-r--r-- 2217 appveyor.yml
-rw-r--r-- 6137 architecture.txt
-rw-r--r-- 2589 build.txt
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
-rw-r--r-- 952 release.txt
drwxr-xr-x - src
drwxr-xr-x - test