Fix broken lettuce tests
Adding a new env to handle escalating privileges to run db migrations.
(cherry picked from commit d2554909d8d67a58c962a693ef3b3e5a0d3f3ee8)
Better error handling.
(cherry picked from commit 1511ec841a30a7a8adbec2d700502a1e685f6103)
Adding comments.
(cherry picked from commit c96511a278ad86cbcc5353ea7e3ea74519b73634)
added pylint ignores, fixed missing import
(cherry picked from commit 273df4e11399d01c5dd5bb9ea1fcef9adf0414e5)
resolves height issue when display the check and show answer actions alongside problems
(cherry picked from commit a17bf5e2ceafdc96fe85ad90a6a39bfc6655329e)
removes HTML elemements from problem action Sass selectors
(cherry picked from commit 664efb988756aa2c1a6080f5f29c246c4e7b891b)
abstracts height rule to apply to the capa check, show, save actions
(cherry picked from commit 050846af711ca3c86c7a309322c1db0f31973f84)
syncs styling rules for buttons/inputs to ensure consistency
(cherry picked from commit 832da3ad48b4e869e369be014c30f71732000679)
syncs up font-weight across problem button/input actions
(cherry picked from commit 14100ba14c8323e61f60775cee7b7d64dc186a45)
Merge branch 'release'

message to explain why this merge is necessary,