* Added german language selection
* German language file created
* typo
* extra space removed and typo corrected
* lines 1314 through 1408 removed as suggested
When the key filter is clicked once, it only displays private link. When it is clicked on again, it becomes red and only public links are displayed. Another click and all links are displayed. The current visibility status is shown in the search banner
Fixes#1030
* translation system and unit tests
* Translations everywhere
Dont use translation merge
It is not available with PHP builtin gettext, so it would have lead to inconsistency.