add option to report summary of pending tests at end of report

this is useful when there are a very large number of specs, and you want to easily identify any "technical debt" specs that have not yet been implemented, without having to scroll through a large report and find them individually.
add info about reportPending option to README
add unit test, fix whitespace, add grunt config, fix some TS issues
fix more whitespace issues
Merge pull request #11 from geekdave/master

Option for reporting details of pending specs