Print remote address and port to trace who sends invalid logs.
Merge pull request #259 from fluent/add-addr-port-in-trace-log

Print remote address and port to trace who sends invalid logs.
fix typo
Merge pull request #260 from giwa/master

fix typo
Add comment to in_forward#shutdown for future work
add a link to Fluentd newsletters

Trust me, it's coming soon!
RDoc is not Markdown. Oops.
Typos...orz
Rename README.rdoc to README.md
Update README.md
Add --gemfile option to manage fluentd gems
Tests on Travis CI against rbx instead rbx-19mode

There is no support for rbx-19mode on Travis CI:
http://docs.travis-ci.com/user/languages/ruby/#Rubinius
Merge pull request #262 from kiela/master

Tests on Travis CI against rbx instead rbx-19mode
Merge pull request #261 from fluent/add-gemfile-option

Add --gemfile option to manage fluentd gems
ada add undef_method to fluent-debug
Merge pull request #264 from tatsu-yam/fluent-debug-mod

add undef_method to fluent-debug
merge "ruby" keyword for access of ::Kernel, issue #195
Relax Cool.io gem version
Guarantee the inclusion order for `include`

Since the Dir#glob returns results in a different order given different
operating system, We need to call Array#sort to guarantee the inclusion
order.
Fix outedated link of Fluentd document site