Add help text
Add media upload to help text
Refactor media widget
Add help text to tests
Fix multiple choice items and associated tests
Consolidate if statements
Merge branch 'master' into help-text
Merge branch 'master' into help-text
Use base path instead of data
get rid of double scrolling on mouse wheel

if your mouse is over the one of vellum's scrollable sections
and you use your mouse wheel (or touchpad, etc.) to scroll
you no longer start scrolling the window when the pane reaches the top/bottom

up/down keys still have double scrolling behavior,
and you can still click the up down arrows on either scroll bar
for OS's that have that (i.e. most except macs)
add comment to double scrolling fix
Merge pull request #283 from dimagi/no-double-scrolling

get rid of double scrolling on mouse wheel
Merge branch 'master' into help-text
Refactor parser to allow plugin extensions
Add help text feature flag
Move itemset parser extensions into itemset module
Consolidate <item> parsing logic
Move <repeat> parsing logic into group adaptor
Move read-only logic into control node adaptor
Merge pull request #284 from dimagi/model-repeat-parser-refactor

Model iteration parser refactor