Correct 2019-06 N&N introductory sentence: grammar & release date * This is the 2nd simrel in 2019, not the 3rd * Correct the release date * I count 76 projects at https://projects.eclipse.org/releases/2019-06 Change-Id: Ie600965d02c13665540bb2963740f59faa30522d Signed-off-by: Thomas Wolf <thomas.wolf@paranor.ch>