Convert the MySQL charset to utf8mb4 to support the full range of unicode characters
Add support for custom http port

Now you can use wallabag behind reverse proxy (i.e Squid or Varnish)
without problem with urls like wallabag.example.com:8080.
fix z-index-menu mobile view bug #834
Merge pull request #867 from wallabag/zindex-menu-bug

fix z-index-menu mobile view bug #834
Merge pull request #843 from rros/mysql-utf8mb4

Convert the MySQL charset to utf8mb4 to support the full range of unicode
Merge pull request #848 from 11mariom/dev

Add support for custom http port