fixes copy initializer
fixes action alias
rm test dir and add rspec dir
fixes alias action error
add readme and rename init file name
修复微信账号配置问题，增加readme说明
修复账号配置，增加readme说明
Merge branch 'release/0.2.1'

Conflicts:
	lib/generators/wxpay/initializer/initializer_generator.rb
	lib/wxpay/responder.rb