WL-99 send a copy of the invoice to the finance@edx.org when registration codes are generated

changed the finance_email in the common.py file

added the test for the FiNANCE_EMAIL settings
Use analytics.identify instead of the old utility function
Imports must replace drafts w/ published in split
PLAT-299
Merge pull request #6025 from edx/renzo/fix-identify-call

Use analytics.identify instead of the old utility function
Merge pull request #5982 from edx/muhhshoaib/WL-99-Invoicing-email-finance

WL-99 send a copy of the invoice to the finance@edx.org when registration codes are generated
Merge pull request #6032 from edx/hotfix/2014-11-22

Imports must replace drafts w/ published in split
Merge pull request #6040 from edx/release

Release
Fixed HD button in firefox.
TNL-536
Merge pull request #6047 from edx/waheed/tnl536-fixed-hd-button-for-firefox

Fixed HD button in firefox.