Updated package to forked version

The original grunt-jasmine-node package is unmaintained and had a critical bug where it would return false positives if test specs contained errors. Use a forked version of g-j-n which includes a fix for this bug.

Also includes fix for bug in grunt-jasmine-node which prevented it from respecting the `verbose` option.
Merge pull request #750 from alphagov/bugfix/grunt-jasmine

Updated package to forked version
Move grouped-timeseries visualisation views to client directory
Moved tab views into app/client
Move user-satisfaction views into app/client
Move journey graph visualisation into app/client
Move sparkline views into app/client
Split bar chart views into client and server functionality
Separate client and server views for availability