Merge pull request #99 from mgage/develop

Fix error in comment in math2 system.templates file
Merge pull request #100 from mgage/develop

Fix error in implementing log a base b in MathView
changed h2 tag to h1 in math4 theme
Merge pull request #102 from aorinevo/develop

changed h2 tag to h1 in math4 theme
Add Chromatic module to those included in Safe compartment
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into develop