Merge branch '8-expose-implicit-link-from-dataattribute-to-basictype' into 7-add-needed-services-in-nsdresourceset

Make available to students working with branch 7 link added by branch 8

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