More SPI work. Most architecture is done. Added SamCommon.
SPI finalization. Untested, but should be complete.
Setting the fake serial number back to "001".
Still finishing up SPI. Looks pretty stable, though.

Needs more testing.
Minor cleanup of spi.read() operations and exposing more internal spi.write()s.
Reset into bootload and DueFromOSX.sh now working with v9.

Also, Yagarto is no longer needed with AtmelStudio 6.1SP2.
Fix for a couple of case-insensitive includes.
Pulling pin change interrupts from rob branch.
Slight optimization for pin changes on Sam.
Merge branch 'refs/heads/rob' into alden

Conflicts:
	TinyG2/tinyg2.h
Fix usb.write error.
Merge branch 'refs/heads/rob' into alden
026.01 testing with Studio 6.1 SP2
Changed toolchain flavour from Yagarto to Native so the project would load. Sheesh.
Merge branch 'alden' of github.com:synthetos/g2 into alden
Fixes to the AS6 project, that got lost somehow.
026.02 tinyg merge - tinyg headers and some mail.c(pp)
026.03 tinyg merge - changes to main.cpp
026.04 tinyg merge - changes report.cpp; introduced pstr2str
026.05 tinyg merge - changes to report.cpp