Add pom-scijava as the project's parent

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Remove sections no longer necessary when the plugin lives on OSS Sonatype

We are about to deploy the plugin to OSS Sonatype, where it really
should live. Therefore, we do not need the ImageJ Maven repository
sections, and neither the transport we used to deploy there.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Add the inception year

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Use the license plugin to ensure BSD 2-clause file headers

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Let Eclipse's m2e ignore the copy-jars goal

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