Remove jQuery.cycle2.lookahead

It's in source, but not on the website
Update how packages are created, so DNN will like them

The other method (Write-Zip from PSCX) created zips that DNN's SharpZipLib
couldn't read.  Using System.IO.Compression.ZipFile.CreateFromDirectory
creates working packages.
Remove the "script to include" list, it's been migrated to GH issues