Changing version numbers for release.
Merge branch 'develop' into release/1.3.0

* develop:
  Adjusted colors on engine, JJ and heatsink.
  Adjusted UI colors
  Solving issue: #216.
  Formatting code, dotting i-s and crossing t-s.
  Changed colors for bar, dynamic, energy_alt.
  Updated ignore file and added more styling options.
Fixing issue #217.
Merge branch 'release/1.3.0' into develop