Removing unused metadata concepts.
Integrating createNewRefsetConcept method which uses setAnnotationStyleRefex on refset concepts.
Renaming addXyxRefsetMember methods to addXyzAnnotation to reflect which OTF API is used.  Implementing addStrExtensionMember which uses a different API to check isAnnotationStyleRefex.
Adding class to test lookup APIs for refset members.
Separating FHIM model display & export from hard-coded concept, allowing ISAAC to get imported FHIM models dynamically as members of the FHIM_MODELS_REFSET.
Modifying check to see if model has already been imported to use refset members instead of annotations.
Merge remote-tracking branch 'upstream/master'
Tidying up import/export settings dialogs.
Introducing AppProperties class, isaac-app-config project to contain configuration.
Merge remote-tracking branch 'upstream/master'
Merge pull request #7 from WestCoastInformatics/master

Separating FHIM model display & export from hard-coded concept, integrating CIMI branding.