changelog:
- added "[Popup] Search Engines" and "Search Clipboard" command
- added an option to order tabs for the "Popup All Tabs" command
- added an option for "Open Link In New Window" to open an empty window if no link or url was selected
- changed the "Search Selected Text" command to use the default search engine if not specified
- fixed clipboard commands for linux users
- fixed the increasing of the tab index if no tab was opened for the "Open Link To New Tab" command
- mouse gestures that are accidentally triggered by performing a rocker or wheel gesture are now canceled
- the "Open Homepage" command can now open urls without a protocol
- removed 2.0 upgrade notification and migration functionality