validation messages translated
initial infos.el.yml translation
proper renaming of the translation files
contenttypes file added
contentypes finished
infos.el.yml finished
messages.yml added
more translations
fix to filesystem locations
Merge pull request #1915 from rossriley/fix-install-handler

fix to filesystem locations for asset installer
Use SSL on extensions.bolt.cm
point to new location
Merge pull request #1918 from rossriley/fix-config-dist-copy

point to new location
Merge pull request #1917 from GawainLynch/hotfix/extensions-ssl

Use SSL on extensions.bolt.cm
fix to location of app dir in composer installs
Merge pull request #1919 from rossriley/fix-composer-appdir

fix to location of app dir in composer installs
final translation
newline added
Added optgroup for relations done by groupby in contentypes.yml
A whole bunch of minor CSS tweaks to the backend..

pinging @peterboorsma @anketwokings