WDX GitCommander 2.0.0

Changelog

• Switched to Visual Studio 2017
• Also built 64-bit
• Enabled Unicode support for commit message and commit author
• Linked with libgit2 v1.1.0
• Added field DirBranch to display branch only for directories
• Implemented repository caching for current file
• Added .clang-format
• Moved git2 initialization/termination from DllMain to ContentSetDefaultParams/ContentPluginUnloading
• Removed compiler warnings
• Removed warnings reported by cppcheck