Adding back uncomplete translations

Revert "translations: throw away incomplete stuff for release."

This reverts commit 961197c1349a911ac888f9e0cc32d92c0baef7b5.
lowpass: don't exagerate default blur
(cherry picked from commit 2d1b641425677f8d4a4a499ef0b11475428c978d)
(cherry picked from commit 352f65605e999269bb1f16f4f21e72b2a06e68aa)
add strlcpy() implementation for UTF8 strings

and use it where applicable
(cherry picked from commit 79ef80d714c7390514651515db5ed5a06f0d3abf)
noise profile: canon eos 1100D is eos REBEL T3
(cherry picked from commit 473b53fb87c0e9572fe587d91aede986e2f9f433)
noise profile: power shot s95 by pawel zogal
(cherry picked from commit 5939bec778981a5707b370c22c7eb9e730a91344)