FIX Issue #225 (https://github.com/chocolatey/chocolatey/issues/225) - Renaming logs is actually trying to create a path which results in an error
remove spaces in vsix file names
adding clarity to command line help of version parameter for Install-ChocolateyVsixPackage
Merge remote-tracking branch 'origin/master'
adding a contributions file
renamed CONTRIBUTING to a markdown file
Log unzip results by comparing destination contents.

Compare the actual destination directory contents for result logging
rather than relying on the COM object path builder. This works around
potential 260 character path length issues.