* Merging upstream version 2.9.4+debian. * Regenerating 03-disable-auto-update.patch. * Removing 05-use-libsynctex.patch as TeXstudio includes a modified version of the synctex parser. * Removing libsynctex-dev from Build-Depends as TeXstudio includes a modified version of the synctex parser. * Removing 06-fix-silent-file-saving.patch, fixed upstream. * Adding 05-fix-mercurial-revision.patch in order to prevent TeXstudio's mercurial revision from being empty. * Updating year in copyright file. * Updating quazip's copyright information. * Rebuilding upstream tarball without: - conflicting debian directory - unused hunspell directory - unused include_win32 directory - unused include_win32_qt5 directory - unused qt translations - unused dictionary and thesaurus files - unused TexTablet directory - unused poppler-data directory