Publish 1.0.7

Publish 1.0.6

Upgraded LiquidCrystal version

LiquidCrystal: bumb version to 1.0.3

fix compatibility with Galileo and Edison

Due to website configuration changes, every url starting with http://…

…arduino.cc has been changed to http://www.arduino.cc. Fixes #3191

Libraries: added help files to mitigate missing contextual reference …

…issue

Libraries: version now compliant with semver. See http://semver.org/