[Update]               added download progress indicator
[Update]               added sortable columns
[Update]               update data will only be refreshed every 1 (development) or 5 (stable) days
[Update]               internal optimizations
mediainfo update to 0.7.68
build will not fail anymore if TortoiseSVN is not installed


git-svn-id: http://svn.code.sf.net/p/megui/code@2490 a21b8521-4df1-4ed3-b48c-cff5bc73dcb3