-Added license information to each code file
-Added a hardware serial Ethernet client and firmware (to send text strings via Ethernet from the state machine using Arduino Leonardo + Bpod shield +  Arduino Ethernet shield)
-Added functions for control of Matt Rechia's olfactometer
-Added an example protocol demonstrating Ethernet control of the olfactometer
-Fixed example protocols to save trial types with data file
-Added optional serial port argument to Bpod command - if no port is specified, Bpod tries to auto-detect the right port.