Change maven checkstyle plugin version.
Change maven checkstyle plugin version.

ashigeru/asakusafw,asakusafw/asakusafw,asakusafw/asakusafw,akirakw/asakusafw,cocoatomo/asakusafw,cocoatomo/asakusafw,ashigeru/asakusafw,akirakw/asakusafw