JS Cleaning and OO approach refactoring to avoid jamming and scoping issues
Added a loader.js responsible of creating the desired instances of js objects
according to the current view. batch_edit.js and analysisrequest_add.js have
been refactored entirely using an OO approach, allowing to create auto-
contained objects without interferences amongst the rest of application
javascripts.
patient.js, client.js, doctor.js still pending to be converted