Update fr.json

Correct some mistake
Update Dutch translation
Merge pull request #489 from Kcchouette/patch-2

Update fr.json
Merge pull request #490 from lazlolazlolazlo/nl

Update Dutch translation
improve Autistic/Inventati description
Update all translation files
End with newline
Merge pull request #491 from lazlolazlolazlo/master

Update all translation files
update TBB notes #484
mention that installing addons to Tor Browser may weaken security #484
update en.json with updated web browser note #484
Merge branch 'master' of github.com:nylira/prism-break
Update de.json
Merge pull request #493 from Casimo/patch-2

Update de.json
rename 'Self hosting solutions' to 'Hardware & software combinations'
update Retroshare description
improve title of SIP/XMPP server software
Update de.json

Fixed typos, added notes.
(It is a bit difficult to see the typos in the GitHub online editor ;) )

I already translated the donate-content, but it is not shown on the page. There is just the title German, the rest stays English.
Update de.json

Typo fix, added notes
Update de.json

Renamed " "i18n-self-hosting-title" to "i18n-hardware-software".

I am not very familiar with GitHub yet, so sorry for the huge amount of commits.