Merge pull request learningequality#2106 from rtibbles/resume_next_steps

Make resume and next steps mutually exclusive.

Merge pull request learningequality#2204 from rtibbles/language_switc…

…her_quick_fix

Don't use the entire screenheight for the sign in page.

Merge pull request learningequality#2214 from jonboiser/management-re…

…direct

Redirect users to `/` if they go to `/management`

Merge pull request learningequality#2045 from rtibbles/you_win_this_t…

…ime_page_state

Revert massive regression, fix issue more safely.

Merge pull request learningequality#2045 from rtibbles/you_win_this_t…

…ime_page_state

Revert massive regression, fix issue more safely.

Merge pull request learningequality#2034 from rtibbles/i_hate_pageState

Merge pageState rather than overwrite in learn

Merge pull request learningequality#2013 from rtibbles/set_default_pl…

…ugins_if_missing

Re enable default plugins on version change.

Merge pull request learningequality#2004 from ralphiee22/xframe_override

Override xframe options to enable iframes to load in chrome.

Merge pull request learningequality#1899 from DXCanas/mobile-cards-ca…

…rousel

Mobile cards carousel

Merge pull request learningequality#1930 from rtibbles/language_model

Update language model to include all necessary metadata for kolibri content rendering