minotar/imgd — pull request #131 by LukeHandle (2014-12-14 19:29:12+00:00)
Title: Error handling for failed cache setup

Catch error and throw critical before exiting.

(useful if you forget to start Redis...)

```
ERRO Error connecting to redis database
CRIT Unable to setup Cache. (dial tcp 127.0.0.1:6379: connection refused)
````