prepare 2.0.0-RC1 release
prepare 2.0.0-RC1 release

git-svn-id: c3ad59981690829a43dc34c293c4e2cd04bcd994@1708870 13f79535-47bb-0310-9956-ffa450edef68

mathieufortin01/pdfbox,joansmith/pdfbox,gavanx/pdflearn,joansmith/pdfbox,gavanx/pdflearn,mathieufortin01/pdfbox