more streamlining
samples: ignore all the binaries
prefix host names with "Host"
added BeagleBone Black (bbb) as one of the supported hosts
bbb: do not export pins
move the generic gpio/i2c drivers to their own folder
make the process of registered available hosts less clunky
make the framework easier to begin with
adhere to the go style guide
fixed parsing of the raspberry pi's kernel version
enable travis integration
ci: build the samples after running tests
fix a bunch of build errors
watersensor: upgrade to embd/gpio
samples: defer pin close in gpio sample
ignore the sample files during build
ci: build samples properly
doc: add travis build status
add test for Map
remove trailing white space