DCT and Egypt video steganography

Though only DCT works right now
Fixed bug in Egypt algorithm

Width and height were the wrong way around, or should I say, height and
width.
LSB video steganography

It is pretty awful
ZK video steganography

It is also awful.
Fixed ZK video steganography

Needed to ensure frame size is multiples of 16.
Fixed warning in ZK video steganography
WDCT video steganography

The previous two commits should have said WDCT instead of ZK.
Fusion video steganography
Rearranged video encoding