[UIMA-974] Added step in the maven package phase to build the core tools book, needed by the CVD
[UIMA-974] Added step in the maven package phase to build the core tools book, needed by the CVD

git-svn-id: dd361d0afbe84f3eb97f7061549e905c2c5df34b@649608 13f79535-47bb-0310-9956-ffa450edef68

apache/uima-sandbox,apache/uima-sandbox,apache/uima-sandbox