[FIX] L10n: Merge multiple phrases into one

RT­2202 #Deliver
The phrase 'You have now connected to the gateway A for B.' appeared in
different phrases, all similar to each other. Merge these phrases to
just one, by tricking the jade extractor into reading what we want.
Merge pull request #1571 from jublonet/feature/2202-triplicate-string

[FIX] L10n: Merge multiple phrases into one