Add Deeq Cask
Update Synergy to 1.5.1

Closes #6031.
Add Mjolnir v0.4.2
Merge pull request #6034 from brtl/mjolnir

Add Mjolnir v0.4.2
Merge pull request #6033 from vitorgalvao/fix-6031

Update Synergy to 1.5.1
Merge pull request #5990 from guilleiguaran/deeq

Add Deeq Cask
Upgrade FileZilla.app to 3.9.0.5
Merge pull request #6036 from crainiarc/filezilla

Upgrade FileZilla.app to 3.9.0.5
Update MacDown to 0.2.4
Merge pull request #6037 from syscrusher/patch-1

Update MacDown to 0.2.4