renaming ogo package to core
inital readme editing for next phase
changing Switch to OFPSwitch and GetSwitch func to Switch
changing Switches to switches to be local to the core package
updaing switch.go comments
shortening line length on comment.
adding comments and renaming New* func
renaming struct type
adding initial PhyLink struct
adding LinkDisco message struct for link discovery
adding parse functions
ignoring prof and file file types
Merge branch 'master' into link-discovery
adding packet in handler for unknown packet types. receives a modified bytes.Buffer struct
being irresponsible with my commits
fixing actions for packet_out messages
making dpid a private field
adding ethernet header to link discovery packet
minor update
using ofpp_none for in_port value on packet_out. adding init link_discovery packet