Modified release-notes for ver 0.2.6 (#142).
Modified release-notes for ver 0.2.6 (#142).

Added description #184.

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