cosmetic
update dependency
update docs for twitter login with omniauth
workaround for TDiary::Cache initialization
update test document
update latest dependency
update latest dependency for PaaS
bump version to 4.0.2
redcarpet is needed to generate document
revive tmp dir
Merge branch 'upstream_4_0_1_20131130', remote-tracking branch 'upstream/master' into upstream_4_0_1_20131130
Merge branches 'master' and 'upstream_4_0_1_20131130'