MERGE: リビジョン1813。差分の反映。

MERGE: リビジョン1813。差分の反映。

コミット「bf353feef19665dcb79b4d8a5453546abe9391d0」で不十分だった箇所の修正。

Revision 1813:
MERGE: NP_Text is merged into core scripts
<%text%> tag can be now used in every skin and template context and
enable skin translation. If you want to apply your translation file, put
it into "locales" directory in each skin directory. Then Skin::parse()
try to include it according to i18n::get_current_locale() and
i18n::get_current_charset().
http://nucleuscms.svn.sourceforge.net/viewvc/nucleuscms?view=revision&revision=1813