Merge pull request #98 from jwj61/develop

develop
Fix comment that used C style comment tags and replace them with HTML comment tags
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into develop
Merge pull request #99 from mgage/develop

Fix error in comment in math2 system.templates file
Fix error in implenenting log a base b
Merge pull request #100 from mgage/develop

Fix error in implementing log a base b in MathView
Merge branch 'develop' of github.com:openwebwork/webwork2 into develop
Add help link for "levels" in the advanced search page in library browser 1