beego 1.8.1

Update ini.go: change the key to lowercase when set a new key for ini configer

Fix warnings raised by gometalinter and gosimple

Fixes warnings and errors raised by gometalinter and gosimple.

Fixed InsertOrUpdate bug

Update

Fix routing bug for splat matching

Fix the following template reference

Beego 运行过程中动态增减定时任务时，now的时间需要更新，否则等待时间会不正确

Fix ini parsing error for multiple users on one machine.

If there were multiple users working on one machine, it's common that
"/tmp/beego" will be owned by one of them, and the others won't be able
to access to it. So, it's better to add an "id-like" postfix to the
temporary directory.

beego 启动时，执行toolbox.StartTask()
运行过程中，动态添加定时任务（这个是now时间已经不是starttask的时间了，需要刷新）     
     case <-changed:
			now = time.Now().Local()
			continue

fix: log mode should be 0440 should not be 440

change the key to lowercase when set a new key for ini configer

Fix example for Hander func

Update README.md

Parse form time by its length

redis poolsize could set to zero

Revert "close mysql connection"

Fix for IndexExists in SQLite driver

Fix for IndexExists in SQLite driver, they added the "origin" and "partial" columns to the index_list pragma.
see: https://www.sqlite.org/src/info/2743846cdba572f6

Update README.md

sometimes we may want disable the redis pool

Fix markdown formatting