Add return status code to the command line Main method
Move the Checkstyle configurations into the project top
refactoring ValidationError.toString() and PlainFormatter
add arg Class to ValidationError constructor
refactor ValidationError constructor arguments
add validator tag to  XMLFormatter
add validator name to PlainFormatter
Merge pull request #115 from takahi-i/add-return-status

Add return status code to the command line Main method #104
remove BlockTypes and Block
add underline-ish style section test
Fix conflicts
refactor initialize method that does not return boolean
refactor createReader and loadStream that does not return null
refactor generateDocument(InputStream) method if inputstream is null
fix bug. using Sentence.content
Merge pull request #123 from johtani/add_validator_name_into_validationerror

Add validator name into validationerror
Merge pull request #125 from johtani/add_markdown_parser_underline_test

add underline-ish style section test
Merge pull request #124 from johtani/remove_blocktype

remove BlockTypes and Block
 refactor document-validator-server using DocumentParserFactory instead of Parser Constructor
 fix checkstyle error in DocumentValidateResource
fix indent bug
Merge pull request #128 from johtani/Invalid_access_to_parser_initialize

 refactor document-validator-server using DocumentParserFactory instead of Parser Constructor  fix checkstyle error in DocumentValidateResource
Merge pull request #126 from johtani/refactor_wiki_markdown_parser

refactor parser I/F
change parser type from String to enum
forget to revise 2 sources