hi,
i have some Customization Requirements, would you like to tell me how to to ??
1:change another location Service Provider, e.g. baidu (http://map.baidu.com/) , because both of google and foursquer do not work in china. (google service have been forbidden in china),

2: replace facebook (sign in and register) into weixin (the biggest sns in china), maybe i just want to know some principle which can help me start .

3: how to add another new Payment Gateways, step1 :?? step2:??

thanks in advance !