Major updated packages for Lx 3

Good news for OpenMandriva Lx 3 users. While OpenMandriva Lx 4.0 in on the way, we keep taking care of OMLx 3.03. Developers crisb, itchka, and TPG have made available a long list of updated packages just released to our updates repositories after the normal testing.

Updated packages include Firefox 61.0.1, Thunderbird 52.9.0, Plasma 5.12.6, Quassel 0.12.5, Qt5 5.9.6, Libre Office 6.0.5, Mesa 18.1.3 and number of other updated KDE packages.

Please report any issues in one of the Support forums at https://forum.openmandriva.org/.