Extract set password form to a new abstract panel component
Get support url and id from configuration

Remove unused logger from PekPage.
Add a method which creates a parametrized wicket error message so we can use it everywhere.

Simplifies the usage of our cool parametrized PekEJBException and it can be extended with more parameters.
Fix LostPasswordToken entity (#45)
* user doesn't need to be EAGER
* fix screwed up value of TemporalType
Finalize lost password token lookup and password changing business logic (#45)
* the token is valid for 24 hours
* the token removed after use
* logging
* add new error codes
Finalize lost password changing in the web layer (#45)
* add new page which uses the common NewPasswordFormPanel
* mount page to an own path
* localization
Fix headerlabel bug on the confirm page (related commit 5bc98b0f3)
Minor comment cleanup