PDFBOX-545: Switch PDFBox build to Maven
PDFBOX-545: Switch PDFBox build to Maven

Update POM metadata.

git-svn-id: c3ad59981690829a43dc34c293c4e2cd04bcd994@889588 13f79535-47bb-0310-9956-ffa450edef68

ChunghwaTelecom/pdfbox,ZhenyaM/veraPDF-pdfbox,torakiki/sambox,mathieufortin01/pdfbox,BezrukovM/veraPDF-pdfbox,benmccann/pdfbox,mdamt/pdfbox,joansmith/pdfbox,gavanx/pdflearn,veraPDF/veraPDF-pdfbox,torakiki/sambox,gavanx/pdflearn,veraPDF/veraPDF-pdfbox,mathieufortin01/pdfbox,joansmith/pdfbox,mdamt/pdfbox,ZhenyaM/veraPDF-pdfbox,BezrukovM/veraPDF-pdfbox,benmccann/pdfbox,ChunghwaTelecom/pdfbox