Internationalization (Spanish), Mark 1 support, and more

This release includes a variety of goodies: support for Spanish and mycroft-core internationalization in general, Mark 1 menu item support, unit testing, and singing.

Mark 1 Support

• Added ability to enable SSH from the Mark 1 menu #712 #732
• Added support for running DEMO from the Mark 1 menu #731 #729
• The RESET menu now clears saved wifi networks #708 #710 #720 #728

Internationalization

• Added Spanish-language text normalization #722
• Added mycroft.dialog.get() to support localization of strings in mycroft-core. #717

Misc

• Added coverage monitoring to the unit tests #698
• Skills are updated whenever the internet connection gets established #697
• Restored many previously disabled unit tests #670
• Renamed DeviceApi.find() method to DeviceApi.get(). DeviceApi.find() is still supported, but it is deprecated. #716 #727
• Singing is now a default skill (try "Hey Mycroft, sing me a song") #700

Bugfixes:

• Corrected MSM behavior on Picroft #709 #711
• Location of MSM now comes from mycroft.conf #684 #707
• Signals wouldn't work if the directory didn't already exist #703
• Skill update would overwrite local changes #687
• The SkillContainer was broken #679