update Japanese translation; related to #377 and #390

* HTM_049 in #377
* HTM_006, HTM_023, HTM_024 in #390
Merge branch 'master' into update-messagebundle-ja
update Japanese translation(HTM_010)
Merge pull request #392 from takahashim/update-messagebundle-ja

update Japanese translation; related to #377 and #390