* Cache last commit to accelerate the repository directory page visit
* Default use default cache configuration
* add tests for last commit cache
* Simplify last commit cache
* Revert Enabled back
* Change the last commit cache default ttl to 8760h
* Fix test
This module is merged from https://github.com/go-gitea/git which is a Go module to access Git through shell commands. Now it's a part of gitea's main repository for easier pull request.