Updates to AutoEncoderPage: 1/2 or x2 rec loop length, start/stop loop playback, adjust loop length for each encoder, second config page

Also added some commented out code for reverse and pendulum playback,
as well as oneshot and loop
Adding features: 1/2 or x2 rec loop length, start/stop loop playback, adjustable loop length

Also adding commented out code for forward/reverse/pendulum playback
and oneshot loop playback
Adding latest AutoEncoderPage to MNM monster
Adding latest AutoEncoder page to MD Live sketch
Adding new AutoMDFXEncoderPage to MD Live sketch.  Allows recording of MDFX encoders :-)
Adding updated MDLive sketch to MDMonster (new autoCCencoder page and new autoMDFXencoder pages)