fix default for VERIFY_STUDENT in lms/envs/aws.py
Convert JSON dumps output to UTF-8 before sending to Software Secure
Extend message signing code to work with dicts, lists.
Replace signature validation with access-key and add logging around Software Secure callbacks.
Update docstring on ssencrypt.body_string to be more useful.
Merge pull request #994 from edx/ormsbee/ss_msg_signing2

Software Secure message signing pt. 2
Verification: revises fee/honor code option-based copy
Verification: adds in browser support links, icon-based button help tips, and technical support help info
Verification: removes duplicate course start on receipt view
Verification: further revises webcam support w/in browser settings copy
Verification: revises copy and layout of the review step's confirm/next actions UI
Verification: hiding technical help copy when on requirements/prep view
Verification: further revises copy per edits/typos noted
Merge pull request #998 from edx/talbs/verification-copytweaks

Verification: Copy/Light UI Pre-Launch Edits
Don't verify SSL cert when submitting to Software Secure (they're using self-signed cert for the moment).
Merge pull request #999 from edx/ormsbee/ssl_checking_for_ss

Handle self-signed cert from Software Secure
Merge pull request #996 from edx/hotfix-2013-09-16

Hotfix 2013-09-16