Final 2.0.0 version released!

This is the final version of KGoodStuff v2.0.0.
From the last official preversion we have this changes:

Don't autohide in certain circumstances, fixed session
management behaviour with the KDE session manager and added
a runtime option to disable session management, added a new
checkbox to be able to define if you want see the text label
on the button, fixed various icon resize problems.