clear BOOMR.window on unload to avoid memory leaks from cyclic references
clear BOOMR.window on unload to avoid memory leaks from cyclic references

lognormal/boomerang,lognormal/boomerang,forcedotcom/kylie,FredXue/boomerang,forcedotcom/kylie,levexis/boomerang,sdgdsffdsfff/boomerang,FredXue/boomerang,levexis/boomerang,sdgdsffdsfff/boomerang