Move encoding conversion to fetch_libs.sh so that the database is built on...

Move encoding conversion to fetch_libs.sh so that the database is built on UTF-8 files as well (prevents illegal characters in the JSON reults)
4 jobs for master in 18 minutes and 33 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #63289
test

00:03:53

 
  Build
passed #63290
backend

00:11:06

passed #63291
frontend

00:02:52

passed #63292
stats

00:00:41