Give some basic rules for eclipse integration of NAR goals.

Initial is example to ignore all NAR goals, make eclipse be quiet when
importing a maven project with NAR.

[JES: fixed DOS line endings, removed commented-out part, fixed tyop in
commit message]

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Merge branch 'm2e-rules'

Greg Domjan figured out how to change nar-maven-plugin so that not every
Eclipse developer and her dog needs to add m2e-specific life cycle
mappings into their pom.xml.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>