Default loop() is now exit(0);
Fixed CosaTimeLCD example sketch; ripple of RTC refactoring; diff removed.
Adding support for clear of interrupt flag.
Check for max TWI bus frequency; update TWI::set_freq().
Adding a simple 2.4 GHz channel detect tool.
Make NRF24L01P internal protected for RF24scanner tool.
Add and adjust digital and analog pin maps.
Cleaning up board definition for Mega 1280/2560 and Diecimila.
Updating description.
Adding a tiny shell for CFFS; cat, cd, echo, ls, od, time.
Allow select of prefix on hex/octal dump of memory buffer.
Merge pull request #218 from HeMan/master

Small bug in draw_bitmap.
Fixing large IOBuffer handling; missed index calculation as uint16_t.
Fixed draw_bitmap(); miss-placed end() of command block.
Adding support for command shell. Clean up CFFS example sketch.

1. Updating CFFS; improving robustness.
2. Adding Shell command class; parse and execute commands.
3. Update CFFS shell and use the new support class.
Remove PROGMEM compiler warning for Arduino 1.0.X.
Improve HPPT::Server::run() robustness; avoid lockup och cut off message.
Refactoring CFFS shell example sketch.

1. Make shell command handler files; CFFSshell.h and CFFSshell.cpp.
2. Update example sketch; clean and simple.