Seldaek/monolog — pull request #324 by tiagobrito (2014-02-19 22:54:09+00:00)
Title: refs #320 Fix same color in background and in foreground

Current colors:
![monolog colors](https://f.cloud.github.com/assets/1071148/2212886/8a20eb5a-99b8-11e3-8a51-66d16e347961.png)

I also changed the ALERT and CRITICAL colors to increase the visual contrast between them.