Added

• Introduced skyconf to help orchestrate initial boot of Skybian.
• Introduced skyimager as a replacement for skyflash and added build-skyimager.sh to orchestrate cross compiling of skyimager.

Changed

• Updated Skywire to v0.2.0.
• Various changes and simplifications to files within static, as well as to build.conf and build.sh, in order to accommodate integration of Skywire v0.2.0.