change parser type from String to enum
forget to revise 2 sources
change String Formatter type to enum
change Constructor access level because it is created from Factory only.
FakeResultDistributor is just for testing.
Merge pull request #131 from johtani/using_ENUM

change parser type from String to enum
Update CONTRIBUTORS.md

i made the authors as a list.
change maxlinelength to 100
fix #134
Merge pull request #137 from johtani/change_checkstyle_no134

change maxlinelength to 100
Merge master