[OE-4237] Restored toolbar drawers feature
[OE-4237] Integrated toolbar drawers for hiding excess toolbar buttons.

I also split the views into partials to prevent redundant code and maintenance nightmares.
[OED-23] Created documents with all doodles. Created PHP scripts to generate lists of JS files.
Merge branch 'jira/OED-23' into develop
Initial work on zooming: added zoom icons and toggle state to drawing toolbar
[OE-4273] Added new improved zoom icons