set a unique BLE name for arduino-ble for standardization
Stylesheet: changed button font size rules for supporting buttons to be placed e.g. inside paragraphs without letting their text sizes be affected.
hue-lights: Changed light selector button color to blue.
Merge remote-tracking branch 'ardiri/master'
arduino-ble: corrected BLE shield library's header file name and added instructions regarding BLE shield library import.