Translation: now has a file for each locale, instead of a file for each section. Items updated; all strings translated. New unittest for Translation; I realised the old one wasn't run anymore. Changed unittest data and conf dirs.

{MT01}
<char[][]|depends=["locale-2","locale-3"]>
{section-1}
<entry|file-1={0:"locale-1"}>
{section-2}
<entry|entry-2={0:"Test 2"}>
<entry|entry-1={0:"Test 1",1:"Description"}>