Major changes in 3.3.4 are:
* Moved custom CSS to Adwaita
* Make clicking on edit rows work again
* Remove initial letter column in lists
* New look for link dialog
* Hide search by default
* Show google contacts that are not "My contacts" as as non-primary contacts
* Make notifications animate in/out
* Fix up minor UI details to better match new mockups
* Better initial window size
* Add inline link suggestions
* Support undo for link/unlink
* Delete works for more contacts
* New first run dialog