Drupal coding standard cleanup of cre

I use this module on my site vigillar.se together with my Vote up/down module and I really like it!

I wanted to contribute in some way so I made the code follow the Drupal coding standard a little closer. There should be no change in how the module function, at least I hope so. I have looked at things like:

* Two spaces in place of one tab
* Always a space after a colon
* valid xhtml <br /> not <br>
* Avoid using "..." if not necessary, use '...' instead
* Only use uppercase at start of sentence/string
* Made all comments in the following style
/**
* Comment here.
*/