Updates Labor Roundtable reg form to remove Major and How Did You Hear About LR fields, and to switch to new admin email
Updates Alumni Job Postings form to add an acknowledgment stmt at the bottom, inadvertently omitted the first time around
Deletes unused labor roundtable fields
Merge pull request #84 from ilrWebServices/labor-roundtable-form-updates

Updates Labor Roundtable reg form for Worker Institute changes