complete spree_alipay 2-0-stable
modify  load_order to fix the error.
modify helper's body
add txt
fix gemfile for spree2.0-stable
modify spec for spree2.0-stable
add _alipay.erb.html
add gemfile.lock into gitignore
Merge pull request #5 from sitoto/2-0-stable

2 0 stable
1. fix product description
2. fix load order
add readme installation
update Gemfile.lock
fix missing load_order
recover to last version for tag
fix for spree 2.0.9
Merge remote-tracking branch 'origin/2-0-stable' into 2-0-stable
fix for spree 2.0.9
dependency spree_core 2.0.9.beta
dependency spree_core 2.0.9.beta
ignore db/samples