refs #7376 New output workspace within tabs in the IDA interface.
Add FuryFitMultiple python algorithm for indirect data analysis

Refs #7376
Missed a return statement in furyFitSeq. Refs #7376
Add error-checking to IDA tabs when loading files. Refs #7376
Missed a return statement in IDATab. Refs #7376
Merge remote-tracking branch 'origin/feature/7376_improve_indirect_data_analysis'