Fix for Issue #7 - Check for test projects before creating testing tasks

This may not be the most rake or ruby-esque way to fix this problem. I basically added a check to see if there is a test project file or if any test projects have been specified in the fuburake options before adding unit test tasks.
Revert "Fix for Issue #7 - Check for test projects before creating testing tasks"

This reverts commit edc393a74ec8a25a3716bd68cc322fa6443ced94.
Fix for issue #7 - detect of test.txt file exists
Merge pull request #8 from KevM/FixIssue7

Fix for Issue #7 - Check for test projects before creating testing tasks