Add UpdateFsxVersions to build.fsx to update the #I directive assembly version.  In other words, "Save me from future F# Charting release failures & help me automate adding version in "FSharp.Charting.fsx"".  Me in this case, is Tomas :)
Merge pull request #28 from bentayloruk/build

Add UpdateFsxVersions to build.fsx to update the #I directive assembly version.