DlgTrackInfo - add button to open track in file browser
Cosmetic fix - add comment to explain why we need to use QDir::home() when the trackDir is not valid
DlgTrackInfo::slotOpenInFileBrowser() - searching last valid directory
We need to use a valid directory to open the native file browser, otherwise it would not open.
This path improves it, doing a cdUp until find a existent directory.
In the worst case (nothing is valid) we use QDir::home()
Fixing button title to use the same string that Mixxx is already using in another place
Merge branch 'master' of https://github.com/mixxxdj/mixxx into openFileBrowser
dlgtrackinfo - fixing commented line about openFileBrowser logic
dlgtrackinfo- cosmetic fix - using "doWhile" instead of "for"
Merge branch 'master' of https://github.com/mixxxdj/mixxx into openFileBrowser
WTrackTableView::slotOpenInFileBrowser() - searching last valid directory
We need to use a valid directory to open the native file browser, otherwise it would not open.
This path improves it, doing a cdUp until find a existent directory.
In the worst case (nothing is valid) we use QDir::home()
Merge pull request #308 from cardinot/openFileBrowser

DlgTrackInfo - add button to open track in file browser