Mantis 1.2.0a2リリース
バージョン1.2.0系のアルファリリース．
Release Name: 1.2.0a2
Notes:
This is the second alpha release on the road to version 1.2.0. As usual with
alpha releases, it is intended to be a technology preview aimed at early
adopters, testers, translators etc.
We do not recommend using it in production environments.
