Updated the UI of create study pages

-updated the forms and inputs
-added new js file

Incomplete:
-protocol page javascript
-new variables and sessions are not tracked or stored
-naming the data from the forms
-storing the data from the forms
-passing the data to the backend
Merge branch 'master' of https://github.com/irfirl/wluxui

Conflicts:
	assets/css/wlux.css
	templates/dynamicpages/newstudy.twig
	templates/dynamicpages/session.twig
	templates/dynamicpages/variables.twig