Merge pull request #114 from spark/master

added network class in documentation
Merge pull request #115 from spark/master

added spark deviceid usage
Merge pull request #116 from spark/master

updated spark variable
Merge pull request #117 from spark/master

updated delayMicroseconds
Merge pull request #118 from spark/master

removed junk
Merge pull request #120 from spark/master

added String documentation
Merge pull request #121 from spark/master

documented supported datatypes
Merge pull request #123 from spark/master

updated relay specs
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge pull request #126 from spark/master

fixed typos in firmware docs
Merge pull request #128 from spark/master

fixed tmp36 example
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages