added restart action
allow displaying multiple isotope graphs from main view.
added procedures concept. allows you to run a Quick Air. #364
started run block concept #362
updated run blocks #362
fixed spec marker. #359
misc updates
added "repeat block" to experiment editor #362
added console to ExtractionLineTask #365
Merge branch 'release/v2.0.4' into develop

Conflicts:
	pychron/processing/tasks/recall/recall_editor.py