Change Grid to Graph style

Grid 0,0 is bottom left corner
Fix Default 3 web command

Default 3 missing IP address, fix
Add "All Off" to web commands
Update Grid2Pixel command for Graph style Grid

Correctly computes the X,Y to ID for a Graph style grid
Merge pull request #1 from AlecH92/master

Grid fix, Default3 command working, G2P functioning correctly