- fix update lable break connection with repository

- create new label

- fix isRead check
- fix paging

The button appears when a file is viewed in a branch or a tag. It points
to a URL containing the branch's (or tag's) current commit id so that
it'll always point to the same content.

Currently, the js file doesn't take into account the possibility of a sub url being used (wich is my case :) wich prevents its inclusion.

This reverts commit c226e92284c7b4b405352814155dd5da3458e029, reversing
changes made to 80b23854bc.

- modules/middleware/context.go: add HandleAPI method

The normal go get protocol is to show the go-import meta tag when ?go-get=1 is appended to the url. This commit implements that behaviour and cleans the go-get option from the repository settings page.

The boolean flags in the repo context have been replaced with mode and two methods

Also, the permissions have been brought more in line with https://help.github.com/articles/permission-levels-for-an-organization-repository/ , Admin Team members are able to change settings of their repositories.

- update russian locale