Update twitter handle in README.md
Fix position of step 2 on page tour #4929
Lock profile sync using a variable as a flag.
Using lock acquire.
Fix locking.
Merge pull request #5432 from openscholar/lock-sync

Lock profile sync
#5367: Remove the widget link from widgets inside columns widgets.
fix padding bottom rule when last child something after it. #5225
#5362: Fix embed link position for anon users.
remove typo in classic responsive css file. #5284
make headers in wysiwyg look like the same as in a reg page. #5389
make body text in the wysiwyg look the way it does in the theme. #5389
#5272: Account for sv_list pager inside accordion widgets.
Issue #5192: Fix failing tests on 3.x
No need for clearing cache.
Merge pull request #5456 from openscholar/5454

No need for clearing cache after disabling anonymous caching.
Fix warning which come from os_boxes_bio->render_bio().
fix profile page view, info blocks at bottom of page. #5448
Export var redirect_page_cache in cp module #5436
Add utility function for modified variable updates #5436