the process exit and the channel info can't flush to console

Update template.go

We can specify "TemplateLeft" and "TemplateRight" but they did not work as these two changes are required.

if have a attack url, the info is

UrlFor(endpoint string, values ...string) string

同时支持全部小写和驼峰写法

minor fix,if path does not include ':', beego will crash of "index out of range"

improve StaticDir config file parser.