Update twitter handle in README.md
prevent random widget from applying nested block style. update css in classic, ivy flavor, college, modern, vibrant and shade flavor.
float more links to the right side of a block
Download core using tar, instead of git.
Remove flush all caches from profile.
Merge pull request #5428 from openscholar/core-make

Download core using tar, instead of git
Lock profile sync using a variable as a flag.
Using lock acquire.
fixed user created headers in the wysiwyg. #5389
fix contrast color of buttons on login page and fix wrapping descriptions under the text fields. #5425
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