POM: fix inceptionYear
POM: remove redundant organization
POM: fix issueManagement and scm
POM: update mailingLists
POM: remove unneeded extra repository
POM: fix license-maven-plugin configuration
Update licenses

This was done using:
   mvn license:update-file-header
   mvn license:update-project-license
Update package prefix to org.scijava.ui.pivot