Fix tab index on new issue/comment form

Make commits tab active when on diff page

Make issue title smaller

Fix #2221 LDAP username attribute must be fetched

This is fix-up for 573305f. Forgot to fetch AttributeUsername value from the
LDAP server, so the setting was effectively not working as intended.

Enable syntax highlighting on diff view

Add avatar arrows to both pull request and issue forms

Workaround delete folder on Windows.

Add an important note about mapping the ssh port on the container to the host

fixes #2563

optipng

Add small arrows on issue comments pointing to users avatar

Feature/markdown custom url scheme

Fixes small typo

Hide other teams & repos from organization page

- Update locales

Implement API for branches listing

Escape unescaped periods in route regular expression

Use pretty 404 pages in repo.HTTPBackend

path.Dir can't handle Windows case, must use filepath.Dir