* 解决 de listing 下架的时候价格解析错误.
(cherry picked from commit 744ad6e)
refs #924 de listing price
完成对 avaliGreen 的解析
Merge branch 'develop'
typo
Merge branch 'master' of github.com:wppurking/grabbers

Conflicts:
	app/models/extract/amazon_de.rb
	spec/models/listing_de_spec.rb
解决冲突.