Removing binary files from the repository; they should not have been
checked in at all.
combining the two update related functions
fixing .gitignore
removing un-necessary volatile qualifiers from a few globals
Removing a binary file from the repository; it should not have been
checked in at all.
enabling collision detection for I2C transfers
Expose TWI_MASTER's state to the application; this will help in
identifying collisions.
Revert "Expose TWI_MASTER's state to the application; this will help in"

This reverts commit f38bb8ee263d6bd5697c4ef344afab652451b3fc.

There is already an API to get the master's error state.
updating .gitignore
sendUpdate() should return a boolean to indicate if it was able to
transmit at least once.
moved sei() back into the interrupt handler for button press
Use sendUpdate()'s return value to determine if we have been able to
broadcast the command successfully; the display should be updated only
if this has happend.