Update engine to work with new framework API; Add tests of driver; eliminate explicit use of ITestEngineResult in preparation for its eventual removal
Modify driver and runner apis and get the engine working with updated framework api
Merge pull request #16 from nunit/framework-api

Merging this and the corresponding nunit-framework PR.
Keeping the branch around for further work.
Add files with static constants for use as keys to the package settings - this may be a temporary fix
Replace tabs with spaces
Merge pull request #17 from nunit/framework-api

Add files with static constants for use as keys to the package settings
Merge pull request #18 from nunit/replace-tabs-with-spaces

Replace tabs with spaces