Update SnapOversize and Snap Info

Updated two plugins

**02 Snapshot Information**
Cleaned up code
Fixed Creator field (was not populating)
Added settings/variables for filtering per issue #163

**64 Snapshots Oversize**
Rewritten - Cleaned up code
Fixed oversize calculation (was previously comparing vmdk size to all VM files - now compares vmdk files to snapshot size)
Fixed sort by Oversize per issue #212