Moved from internal to external source.
Internalized the parsing of the xl file to build the meta definitions.
Switched to having the different  models be responsible for creating and
populating properties.
Generation of classes is now working.
Removed some phantom datatypes from the model.
Merge branch 'master' of https://github.com/GridOPTICS/GOSS.git
Added gradle build scripts and settings to the project.
Updated all project build.gradle files to have their own dependencies
and to only use the project references necessary.