diaspora* 0.7.15.0

Refactor

• Replaced some http:// links in the UI with their https:// counterparts #8207
• Testing: Replaced phantomjs with headless Chrome/Chromium #8234

Bug fixes

• Update comment counter when deleting a comment in the Single Post View #7938
• Link diaspora only poduptime list #8174
• Delete a user's invitation code during account deletion #8202
• Bump mimemagic #8231
• Removed support for defunct Uni Heidelberg OSM tile server, Mapbox is now required if you want to show maps #8215
• Render only two fractional digits in the posts per user/day admin statistics #8227
• Make aspect dropdowns scrollable #8213
• Fix Photo#ownserhip_of_status_message validation #8214

Features

• Support and recommend TOML as configuration format #8132