Update version to release/2.8
Update VERSION
Correct spacing
Merge branch 'release/2.8' of https://github.com/openwebwork/webwork2 into release/2.8
Add help link for "levels" in the advanced search page in library browser 1
Fix bug when creating sets.
Make solution knowls work in library browser 1
Change Path ... to Show path/Hide path.
Merge pull request #108 from mgage/release/2.8_jj

Release/2.8 jj Fixes bugs in library browser 1.
Fixed bug 2653
Merge pull request #118 from mgage/release/2.8

Fixed bug 2653 (hidden sets became invisible in homeworkset editor 1
Update math4.css

Addressed bug 2647
Fixed broken disabled buttons
Conditional release initial commit. Allows instructor to specify that a set will not become visible until a sufficiently high score is obtained on another set.
Updates to conditional release. Removed relax_restricted_release. Added feature to warn and ignore nonexistent set names in the restricted release list. Now gives message about restricted release instead of toggling visibility.
Cleanup from rebase
Some conditonal release fixes and tweaks.
Merge branch 'conditional_release' of https://github.com/aubreyja/webwork2 into devupdates
Merge pull request #130 from aubreyja/conditional_release

Conditional release
Merge pull request #124 from goehle/devupdates

Devupdates