Tidy up some unnecessary codes
Refactored K-Means Clustering heatmap analysis to accept mutiple high dimensional nodes, types and also to use generic validator instead of local validator.
add k-means clustering script resource
refactored to make get_parameters_for_mrna, get_parameters_for_mirna and get_parameters_for_rbm becoming object's methods instead of globals
Merge branch 'rc2_dev' of https://github.com/thehyve/Rmodules into rc2_dev
Merge branch 'master' into rc2_dev

Conflicts:
	web-app/js/FormValidator.js
Merge branch 'master' of https://github.com/thehyve/Rmodules