* merge KADO's patch. - lib/review/htmlbuilder.rb: add chap to tabel_header.
* merge KADO's patch.
- lib/review/htmlbuilder.rb: add chap to tabel_header.

kmuto/review,takahashim/review,murashitas/review,kuad9/review_study,murashitas/review,orangain/review,suzuki/review,orangain/review,krororo/review,krororo/review,kmuto/review,masawada/review,suzuki/review,kuad9/review_study,kmuto/review,kdmsnr/review,krororo/review,takahashim/review,masawada/review