Fixed the conflict problem between digital and analog on the pins where analog signal is allowed
Merge pull request #1 from radarsat1/master

A bunch of changes for Mac.
Merge branch 'master' of ssh://github.com/RDju/firmata-mapper
Add a TODO file - manage space in the unit when saving on extern file
- fix the EEPROM protocol problem
- manually merge the changes of Stephen (I made something wrong with the automatic merge)
SPI protocol
Receive name protocol
Manage the windows of the "add pin" frame by ID and no more by global variable
To make the grid build without gap after a deletion
Save on quit
Allow two identical names if signals are respectively input and output (two signals of the same time can't have the same name)
Ask if the user wants to save before quitting only if he makes some changes after the last save
A bad solution to fix the problem of EEPROM protocol (doesn't load the first time) but it works...
Remove debug messages
- Add of the adaptated program for the t-stick
- save on quit
- fix some minor bug
Add of the program adapted for Raspberry Pi, and some minor changes
Total restructuration of the repository and addition of the arduino library
Modification on the README
Wrong command previously commited
Desable the signal on the arduino when a signal is deleted