Japanese: initial japanese translation port from CM10

  - remove no default translations.
  - add missing entries.
  - some revised translation.
  - patch-5: remove whitespace at EOL.
  - patch-6: fix formatting (anonymous_statistics_warning)

Change-Id: I854638550bc47f519d37a13e86d8cbb7ac2a6979
Merge "Japanese: initial japanese translation port from CM10" into cm-10.1