Merge branch 'master' of github.com:kmuto/review into backdef
Add BACKDEF (Ref #307)
Merge branch 'master' of github.com:kmuto/review into backdef
Convert POSTDEF into APPENDIX
Convert BACKDEF into POSTDEF
Rename local var name
Add description about APPENDIX
Merge branch 'master' into backdef

Conflicts:
	test/test_book.rb
Merge pull request #310 from kmuto/backdef

Add 'APPENDIX' section in catalog.yml (Fix #307 #307)