Resolve "avoid doing setRefersToXXX( null )"

Closes #12

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!11

Resolve "NSD file referred by DependsOn may not be present"

Closes #10

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!10

Resolve "BasicType.referredByDataAttribute multiplicity is wrong (should be -1)"

Closes #11

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!9

Resolve "expose implicit link from DataAttribute to BasicType"

Closes #8

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!7

Resolve "use verbose level for messages on explicit links created"

Closes #6

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!5

Resolve "Expose implicit links between NSD objects"

Closes #3

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!3

Resolve "add reverse containment links"

Closes #5

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!4

add XSD identity constraints as OCLinEcore constraints and enable
validation after loading. 4 constraints added.

understood.

for attributes group

annotation

Resolve "clean the generated ecore"

Closes #2

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!2

Resolve "add initial projects"

Closes #1

See merge request RiseClipseGroup/RiseClipseMetamodel_NSD2017!1