Encrypted HLS working on the example page
Used an adaptive, encrypted m3u8 on the example page and included hex dump utilities. Fixed formatting issues with the hex dump utility. Passed a 16-byte IV to the decrypter in drainBuffer(). Swapped byte order for the keys so they are not misintrepreted as little-endian. Added fields to the muxer test page to mux encrypted segments. Updated tests. Fixed docs on using openssl to test encryption and decryption.