Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

Issue #2928798 by balsama, axel.rutz, xjm, phenaproxima, chr.fritsch, jeetendrakumar: Add extractors: mimetype & filesize

Issue #2831936 by marcoscano, seanB, chr.fritsch, l0ke, Wim Leers, vijaycs85, phenaproxima, pguillard, johndevman, drubb: Add "File" MediaSource plugin