Default values

fix to advice in #2187

httplib add CheckRedirect

Clear BConfig.Log.Outputs's default "console" while user has set "LogOutputs" in config file.

Emailer : Should use config Username only if no From is provided.

Should fix the case where Username is not an email.

fix a spelling mistake

Support load app config before test Beego

improve Swagger

1. Add yaml
2. Fix typo scurity => security
3. Make license optional

Add support "SELECT FOR UPDATE" to orm. Resolve issue #2157

Fix the typo

RequestURI captures the signature field as well.

This in turn results is failure of signature based validation. So what is need is only "/api/resource/action". which is given by ctx.Input.URL()