Support CoffeeScript

Fix spec for coffee script support
months method should not include draft entry
Merge pull request #200 from morygonzalez/months-should-not-contain-draft

Lokka::Helpers.months should not contain draft entry
Merge pull request #186 from morygonzalez/support-coffee-script

CoffeeScript で JavaScript を書きたい / Support CoffeeScript
Update gems
Merge pull request #202 from lokka/update-gems

Update gems
turn off the warning
build with 2.1.0
Merge pull request #205 from 1syo/build-2.1.0

Build with 2.1.0
Remove sequential double quote
Merge pull request #206 from morygonzalez/remove-sequential-double-quote

Remove sequential double quote
Use DatabaseCleaner.strategy = :transaction (12x faster than :truncation)
Merge pull request #208 from uu59/faster_spec

Use DatabaseCleaner.strategy = :transaction (12x faster than :truncation)