only create coverage.csv file if command line option is used (-c, --coverage)
Merge pull request #324 from roelrz/master

Generating coverage.csv file should be optional
Update PhantomJS to 1.9.7

Latest PhantomJS contains some bug fixes, including a fix for the core text error on OSX.
Merge pull request #325 from sethmcl/master

Update PhantomJS to 1.9.7
Release 2.3.2

- Upgrade PhantomJS to 1.9.7
- Ignore generated CSV files in .gitignore
Fixed context issue in VenusUi, which was causing a script error and preventing test results from displaying in the browser UI.
Merge pull request #327 from sethmcl/bug/venusui-context

Fixed context issue in VenusUi, which was causing a script error and pre...
Release version 2.3.3:

- Fix error in VenusUI which prevented test results from displaying in
  browser