Added optional audio context and destination node to prepareForExecution
Added audio context and audio destination node to the Chuck constructor
Removed .idea dierctory
Null default values for the context and destination options. Removed useless if in AudioContext
Re-adding .idea folder
Fixed silly bug (assigning null to parameters while calling function instead of setting defaut arguments to the constructor)
Merge pull request #6 from janesconference/audio-context

Custom Audio context and destination node are specifiable in the constructor.