implement expand up/down codes (blob excerpt)
* fix golint errors
* fix expand direction
* remove debug message
* update css style for blob exceprt
* fix typo in comment
* update style sheet with less
* update expect diff (add SectionInfo)
* update #8942
An error occurred
accept suggested change (fix typo)
* close reader and check file type before get tail section
* adjust button position and check file type before insert fold button
* move index js to web_src
* merge index.js with master
* generate index.js
* update js coding style
it has become clear that the storage component of go-git repositories needs closing.
This PR adds this Close function and adds the Close functions as necessary.
In TransferOwnership the ctx.Repo.GitRepo is closed if it is open to help prevent the risk of multiple open files.
Fixes#7947
Benno
zeripath
Lunny Xiao
Richard Mahn