Hive 1.3.0

Hive release introducing the active solar energy exercise and an .exe installer

...also some cosmetic changes and bug fixes.

To install, get the Setup_Hive.exe here in the Assets and simply double click on it.

Change log:

• introducing an .exe installer #485
• fixing PV and ST parameters in the Energy Systems form for now #489
• changing labels in demand plot #490
• adding active solar exercise #488
• fixing negative COP bug of chillers #486
• adding new icons #484 #479
• refining components descriptions #477