Favorites and fixes.

Favorites functionality done, except editing favorite server.
Note, that game profile defined for favorite server have
higher priority on normal profile selected in combobox near
"Launch!" button. Later WILL be ignored.

Bunch of fixes is added.

datamodels/server.go

@@ -30,4 +30,8 @@ type Server struct {
     Version             string          `db:"version"`
     // Is server was favorited?
     Favorite            string          `db:"favorite"`
+    // Server's password.
+    Password            string          `db:"password"`
+    // Profile to use with server.
+    ProfileToUse        string          `db:"profile_to_use"`
 }