Working on issue #75
Work in progress
Merge branch 'develop' into feature/issue75

Conflicts:
	src/lisong_mechlab/model/loadout/Loadout.java
	src/lisong_mechlab/model/loadout/UpgradeHandler.java
	src/lisong_mechlab/model/loadout/part/LoadoutPart.java
	src/lisong_mechlab/model/mwo_parsing/helpers/ItemStatsUpgradeType.java
	src/lisong_mechlab/model/upgrades/Upgrades.java

That was a harsh merge...
A days work.
Fixing bugs, all unit tests succeed now. Need more tests.
This fixes issue #75.