Replacing mozSms references with mozMobileMessage
SMIL.generate(slides) + tests
SMIL.parse(message, callback) + tests
Removing specific width on image tag for MMS rendering
Fix cid: prefix issue, gjslint issues, and test with DOMParser
Merge pull request #3 from gnarf37/MMS-SMIL

Refactoring SMIL parse/generate and adding unit tests.