JRM only attempt to run files that actually exist
JRM only print a report if we ran at least one file
JRM better testing to see if there was at least one test run
JRM got the real path to the file to check if it exists
JRM Handle case where path is empty (added test)
JRM fix crash when passed in file didn't end with .js or .coffee
Proppery stub formatter so tests don't spit out an empty line
Remove checks for example existance out of runner.rb (in prep for putting it into formatter.rb)
Moved check for any examples inside of formatter
Merge pull request #21 from CyborgMaster/dont-run-nonexistant-tests

Don't run nonexistent tests.