Moved some error related stuff to a separate file. Also changed some settings since they we're giving problems in certain environments.
Employees can now setup agreements (work, training and other) that they've made with HR. These agreements can then be reviewed by peers (optional).
Added a way to show extra information to employees. Also changed a few things regarding round generation.
Added a check to see if the locale_accept_from_http is available.
Small changes to some text and css.