o.a.w.Release pointing to 2.10.0-svn-0

all pom.xml files pointing to 2.10.0-SNAPSHOT.

fixed checkstyle & codestyle files location at maven-eclipse-plugin

git-svn-id: https://svn.apache.org/repos/asf/incubator/jspwiki/branches/MVN3_BRANCH@1486453 13f79535-47bb-0310-9956-ffa450edef68