http://bugreports.qt.nokia.com/browse/QTCREATORBUG-1342

3ccc079c renamed ProjectNode::DeleteFile
to ProjectNode::EraseFile. Also rename the usage(s) of that key.

Explicitly close all views of the sidebar _before_ the core is
destructed. E.g. the bookmarks view tries to access the core in
it's destructor.

Some windows header have a define for DeleteFile.

Use the full path for folders to sort in the project tree.

For virtual folders ensure that the path ensures the sorting we want.

Reviewed-By: kkoehne

The special event filter probably shouldn't eat the enter key if we are
in the editing state.

http://bugreports.qt.nokia.com/browse/QTCREATORBUG-2015

They got kicked out when I added a custom style delegate.