Added multidimensional dataset.But some important features are breaking.
merging with master
added multiple dataset option

transformed from array to object type.
Functions updated

getDataset functions updated for the dataset variable change from array
to object.
fixing commit issue
Revert "fixing commit issue"

This reverts commit aae044dc9060311923d9939d7d7f0263a3bc58cb.
multigroup bootstraping added
Merge branch 'master' into multi_K

Conflicts:
	js/appController.js
	js/appModel.js
	js/appView.js
	js/exp/binomialCoin.js
namespacing added
Merge branch 'master' into multi_K

Conflicts:
	js/appModel.js
	js/appView.js
	js/input/data.js