fix reader test.
Merge branch 'SCHOLAR-3.x' into 4122
merge master
fix
Merge pull request #4322 from openscholar/4122

Fix Reader Behat test
Change default reminder date.
Merge pull request #4391 from openscholar/4260

Change default reminder date.
make it so 3.1 slide overlay has even space above below h2
wrap email address when both sidebars are present.
Merge branch 'SCHOLAR-3.x' into 4382
Rename the field of the registration reference.
Send mail as full HTML.