[Icons] empty-file-32.png → file-generic-32.png (and a new icon)
[Icons] Updating older icons to current versions
[Icons] New class file icon
[Icons] New interface file icon
[Icons] New struct file icon
[Icons] New enumeration file icon
[Icons] New XML file icon
[Icons] text-file-*.png → file-text-*.png (and a new icon)
[Icons] template-16.png → file-template-16.png (and a new icon)
[Icons] resource-file-*.png → file-resource-*.png (and a new icon)
[Icons] md-addins bump