remove makefiles from examples
added intel galileo to boards.h
update library properties for new IDE 1.5.6 format
update version in headers and build script
update readme
copy over changes from these commits: 27f7e4276974a6a5c74008490f23ba5960f2e91e, 1d5350dbf3841f6a7c9a788efdf45cf0d6797339
remove arduino 1.5.x specific build because original build works for both old and new arduino IDEs
add back line to delete temp directory
missing equal sign in comparison
formatting change
saving a few bytes
Merge pull request #122 from firmata/merge-in-dev

bring configurable_dev up to date with changes in dev branch