Add fading inside the effect if enable changed
Introduces an enableState
Pipe enableState into the effects
Added effectFadesFromDry property to effect manifest
Make use of enableState inside EQ effects
rename  effectFadesFromDry effectRampsFromDry
removed unused EngineEffectChain::enabled()
Added enableState to EngineEffect::process()
Use enableState in EngineEffectChain::process()
fixed resetting of enableState in EngineEffect::process()
removed uneccesary enum keyword
removed unused variable
Merge pull request #362 from daschuer/enable_state

Effect enable state