Updates to EV Tool edit template. (parts of Jira EPEDEV-214)

Added Status (Published / Not Published) checkbox toggle
Removed double labels. (Drupal label display is on for fields in this module)
Added thumbnail.
Updates to EV Tool Instance Edit Template

Removed duplicate labels to a few fields
Moved tool controls javascript to EduVis. Replaced with drupal_edit_controls function
Code cleanup and spacing.
Updates to EduVis.js framework

Updated datepicker control to support inline datepicker type
Added support for Date Range Control
Added svgToCanvas to Utility Module
Added drupal tool control support for instance editing
Added hiding of DataBrowser button when clicked.
Added example of css override for an input element from a tool's control