Implement TimeoutAttribute for compact framework
Add tests of timeout in setup and teardown; teardown is disabled, since it hangs
Update TimeoutTests.cs

Ignore test with a pointer to outstanding issue rather than commenting it out.
Fix warning message
Merge pull request #351 from nunit/issue-326

Implement TimeoutAttribute for compact framework
Merge pull request #358 from nunit/issue-327

Add generic support to CF build; fixes #327
Miscellaneous fixes from Neil's CF Build