bundle update
removed unused variables: lang resources.
removed unused variables: spec example
removed unused variables: default plugins
removed unused variables: libraries
removed unused variables: plugins
use underscore variable for unused assignments
Merge pull request #429 from tdiary/remove-unused-vals

使われてない変数を消しました
Hide `Unknown' from weather display
Merge pull request #430 from zunda/weather_hide_unknown

Hide `Unknown' from weather display
bundle update
removed version locked for rspec3
use pry-byebug
bundle update
Merge remote-tracking branch 'upstream/master'
Fix Japanese translation for `few clouds'

Actual sky for `few clouds' seems more like `clear' to me.