Added an option in the seesaw dialog for ads or no ads
streamlined the solve-flow function API into one function with keyword arguments
Merge branch 'master' into concurrent

Conflicts:
	src/flow/flowcore/core.clj
	src/flow/flowcore/search.clj
	src/flow/graphics.clj
added a :threads argument to the solve-flow functions and added an option for that in the gui