EffectManager operator= assigns all attributes.
Merge pull request #1 from stefanbeller/master

EffectManagers copy and assign operator fixup
Reload footsteps sound effect when untransforming
Merge pull request #355 from dorkster/transform

Reload footsteps sound effect when untransforming
Merge pull request #353 from dorkster/bugfixes

Add --game_data flag for setting a user-defined PATH_DATA