Fix size of an image included in drawing/snapshot question prompt

[#72493134]
Add drawing-tool Bower package using rails-assets

[#73893586]
Handle correctly manual submission of forms with users' answers

[#73893586]

E.g. when you manually call .submit() instead of relying on
auto-save feature.
Update drawing-tool

[#73893586]
Make annotation tool configurable and integrate Drawing Tool

[#73893586]
Fix plain image question support

[#73893586]
Add drawing tool CSS to all themes

[#73893586]
Handle situation when user tries to open SVG-Edit image using Drawing Tool

[#73893586]
Implement simple image proxy for drawing tool

[#73893586]
Use image proxy while setting Drawing Tool background

[#73893586]
Update alert message for image question when SVG-Edit data is detected

[#75135566]
Add Interactions theme

[#75550210]
Precompile theme-interactions.css

[#75550210]
Update Drawing Tool version

 [#73893586]
Update Drawing Tool to version 0.8.2
Update Drawing Tool to 0.8.4
Merge branch 'staging' into production