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
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
Merge branch 'SCHOLAR-3.x' into 5326-amitai
Merge branch '5326-amitai' of github.com:openscholar/openscholar into 5326-amitai