Make sure users actually exist if they're in the mapping table #80
Allow authors to delete the current marketing content, refs #79
Allow authors to see the content of shortcodes without purchasing plan

fixes #83
Allow plugins to override the links in the profile widget, fixes #76
Send users to the WP homepage if they sign in outside of overlay

fixes #78
Tell users to install cURL if it isn't already, fixes #73
Add a note to the readme about cURL check, refs #73
Update the cURL required message. #73.
Merge branch 'develop' into 67-restrict-access-to-lots-of-existing-content
Merge branch 'develop' into 67-restrict-access-to-lots-of-existing-content
Auto hide/show category list when mass protecting posts and pages #67