added new method in order to get app nat information
new layout for advanced connection settings
new constant
new strings
New method, corrected comment

The new method displays an advanced settings dialog in order to let the
user chose some other proxy application, how to connect to it and so on.
removed useless stuff
corrected typo
deactivate for now i2p, as we do not have good support for it now
added new constants
added ids for radioButtons
added id, corrected one id
new string
Some more improvements for UI actions

This patch adds some new actions and UI feedbacks in order to let the
user know when an action is performed and taken in account.

Missing: save state, apply rules.