refs 6663 master merged

Squashed commit of the following:

commit 6baac67ea5ea0abddc15f7d7ec1e4457f3bf06fc
Author: Reiko Shinozuka <shinozuka.reiko@miraitsystems.jp>
Date:   Tue Mar 11 11:14:37 2014 +0900

    refs 6552 システム設定の記述向けの追加

commit f5d6cc615d29a71c26317db9afb3eea7ace03ed1
Merge: 571a3de b10b1e3
Author: emiko <tamiya.emiko@miraitsystems.jp>
Date:   Mon Mar 10 21:05:51 2014 +0900

    Merge branch 'master' of github.com:MiraitSystems/enju_trunk

commit 571a3def04849f168ea7ad0774b0b47b7a9afae3
Author: emiko <tamiya.emiko@miraitsystems.jp>
Date:   Mon Mar 10 21:04:50 2014 +0900

    add observe field for manifestation

commit b10b1e3c01c79cceb69a34e992f1c3ac7a94d2cf
Author: Reiko Shinozuka <shinozuka.reiko@miraitsystems.jp>
Date:   Mon Mar 10 20:45:14 2014 +0900

    modified add_manifestation_exinfos, add_manifestation_extexts

commit c117f79aabb4f3947205def2eb946faf0e6cabe9
Author: emiko <tamiya.emiko@miraitsystems.jp>
Date:   Mon Mar 10 20:07:57 2014 +0900

    refs 6628 modified Bookbinding

    search with identifier, date_of_publication, numbers

commit 71a693c91cf30a9de1e4c98e05fce6fc1de65e61
Merge: 78030b3 327126c
Author: Reiko Shinozuka <shinozuka.reiko@miraitsystems.jp>
Date:   Mon Mar 10 18:33:15 2014 +0900

    Merge remote-tracking branch 'origin/master'

commit 78030b369fd7286b21f8fd01893a6f3944416a27
Author: Reiko Shinozuka <shinozuka.reiko@miraitsystems.jp>
Date:   Mon Mar 10 18:33:09 2014 +0900

    add date_of_dicontinuance to manifestations