Refactored PlaySafe into a SvtStream class
Refactor. New class Downloader
Revert "Removed .pyc file"

This reverts commit 56e1edbae37f577abe8865e506a56c230590d32e.

Accidentally removed all the tests
Created SvtStream_test
Updated tests
Added new test data
Refactor
Uses twitter bootstrap
Added tests for Downloader
Removed bootstrap.js