revert specification of nonquoted string to v0
comment out works only after /[ \t]+#/ in nonquoted string
Merge pull request #436 from sonots/nonquoted_string_v0

Change specification of v1 nonquoted string
Add Use Cases Table
center the images in README's use case images
Add Fluentd UI gif
Add Fluent::TextParser::ParserError to improve error handling
Merge pull request #453 from fluent/introduce-parser-error

Add Fluent::TextParser::ParserError to improve error handling
Goodbye RSpec, long live Test::Unit
Merge remote-tracking branch 'upstream/master'
Merge pull request #454 from fluent/rspec-to-test-unit

Goodbye RSpec, long live Test::Unit
Supported timezone DST transition.
Merge remote-tracking branch 'upstream/master'