Added XMind logo image which will be used for package icon URL
added nuspec page for XMind package
added install script
Chocolatey didn't like the package number, so I removed the last octet of the version number.
Added Installer Args and url64 to install command
Added .nupkg to the ignore file for this repo
Merge branch 'feature/xmind' into develop
Merge branch 'release/2013.11.29.1'