* Direct avatar rendering
This adds new template helpers for avatar rendering which output image
elements with direct links to avatars which makes them cacheable by the
browsers.
This should be a major performance improvment for pages with many avatars.
* fix avatars of other user's profile pages
* fix top border on user avatar name
* uncircle avatars
* remove old incomplete avatar selector
* use title attribute for name and add it back on blame
* minor refactor
* tweak comments
* fix url path join and adjust test to new result
* dedupe functions
* Markdown and Repo header tweaks
- Use CSS vars for all markdown colors
- Tweak repo header, removing double borders and adjust sizes
- Use menu instead of buttons for issue open/close switcher
- Add emoji inversion for select emoji glyphs in arc-green
- Use border over box-shadow for all buttons
- Add spacing element to login form without openid
* repo settings navbar fix
* use shared template in more places and adjust dashboard
* fix remaining open/close combos
* Issue and Pulls lists rework
Reorganized and restyled the issue and pull request lists.
* color and layout tweaks
* use new issue list on dashboard as well
* move pagination into template
* misc tweaks
* fix label hover
* fix milestone list
* fix discrepancies between issue and milestone list, add new 'merge' helper
* fmt
* simplify merge helper
* remove whitespace
* fix startIndex
* further simplify dict merging
* rename helper to 'mergeinto' for clarity
* allow bottom-row to wrap
Co-authored-by: Lauris BH <lauris@nix.lv>