* Move parallelizable to new file
* Add UseSameRuneTypeForWords property
* Add SelectWordOnlyOnDoubleClick property and ProcessDoubleClickSelection method
* Change IsSameRuneType method to also handle equivalent rune types
* Fix WordBackward and WordForward to support properly handle rune types
* Fix unit test to deal properly with the new roles of rune types
* Add new unit tests
* Remove duplicated unit test
* Add UseSameRuneTypeForWords and SelectWordOnlyOnDoubleClick handling into Editor scenario