v2.1.5

2.1.4 -> 2.1.5:

• Improvements on examples:
  • Initial support for a short description of each instruction in firmware.
  • Default examples now are included in Travis checks.
• External dependencies updated:
  • knockoutjs replaced by vuex v3.6.0 + vue.js v2.6.12
  • Bump bootstrap from 4.5.3 to 4.6.0
• Minor bugs fixed and several refinements added.