[NSM] Save last used multidownload dir.
[LMP] Explicitly pass the player to PlayerTab.
[LMP] Emit EffectsManager::effectsListChanged().
[LMP] EffectsManager::showEffectConfig().
[LMP] Show effects menu in the player tab.
Merge branch 'master' of github.com:0xd34df00d/leechcraft
Merge branch 'master' of github.com:0xd34df00d/leechcraft