PDFBOX-1836: update version of maven-checkstyle-plugin
PDFBOX-1836: update version of maven-checkstyle-plugin

git-svn-id: c3ad59981690829a43dc34c293c4e2cd04bcd994@1657838 13f79535-47bb-0310-9956-ffa450edef68

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