Added DIODE TVS CPDV5 & DIODE ZENER 3.3V.

Added two other OP AMPS

Added OP AMP DUAL

Merge remote-tracking branch 'origin/Taylors-new-test' into master

Taylor and Matthew's recent changes on a new branch

SD Connector and RGB LED

Added Rotary and Piano Switches, added RJ45 3D model Added DS02-254-1L-04BE piano switch, added PT65506L508 rotary switch, added 3D model for existing CN MAGJACK RJ45 header

op amp, additonal net tie sizes

Changed encoder dimensions to mil.

Edited encoder connector visuals.