Revert "update weft version"

This reverts commit 82686a1a4504dcb02685ea7d1b7b789c06e867e6.
Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit 234e648dac4cd6a95dc321eeb59e9b2a378a2f41.
oh, forget it, I'll reset the versions by hand.