CLC-3378 - Convert all JS variables to camelCase

https://jira.ets.berkeley.edu/jira/browse/CLC-3378

CLC-3378 - roomNumber
CLC-3378 - buildingName
CLC-3378 - rawLocation
CLC-3378 - isViewer
CLC-3378 - isSuperuser
CLC-3378 - semesterName
CLC-3378 - amILoggedIn
CLC-3378 - gradePosting
CLC-3378 - Rename waitlistPosition