Remove NeuroML export from dev, it will be added in the
neuromlpopulation first and then merged from there.
Handling new NeuroML exception and update to cached NeuroML definitions
Attempo to fix travis build adding org.jvnet.jaxb2_commons
Update PopulateNeuroMLModelTreeUtils.java

Remove getType from all gates except the undetermined as it has been removed from the neuroml specification
Adding new dependencies
Merge with connection branch, updated to latest neuroml and lems
version, added org.neuroml.export bundle as dependency and fix some bugs
regarding connection nodes