Move some old classes to the legacy package
Use parameterized Groovy version
Update ignores
Rename CONOP9Repository to Conop9Repository
Parse Conop4j output into an annotated solution
Move source to src/main/groovy

Allows us to mix and match .java and .groovy files in one location
Initial work on a range chart [WIP]
Finish range chart

Closes #2
Merge branch 'issue/2' into dev