Removed some code that shouldn't be there until the PR for the plot
metadata is performed
Changed label for connections
Removed unused imports
Update to use the latest jLEMS
Merge branch 'development' of https://github.com/openworm/org.geppetto.model.neuroml.git into development
Merge branch 'development' into plotmetadata2functionnode

Conflicts:
	src/main/java/org/geppetto/model/neuroml/utils/modeltree/PopulateNeuroMLModelTreeUtils.java