Update LiveChartSamples.fsx

Fixed link for the EventEx script file location.
Merge pull request #51 from MattButton/master

Ignore the output of ch.ShowChart() in the fsx helper files
Merge pull request #50 from jwood803/master

Update LiveChartSamples.fsx
Fix appveyor build
Updated logo

This updates the logo to use the new F# Software Foundation logo for F#
instead of the # sign. For details, see
http://fsharp.org/foundation/logo.html
Merge pull request #54 from ReedCopsey/master

Updated logo