Update quickedit.cpp

Compiling the code throws an error here (something like the class is abstract...); the QList items is not needed in the function so it can be removed anway...
[80] Applying mageia linux fix for missing functional header
Merge pull request #75 from ClemensFMN/patch-1

Update quickedit.cpp
[82] Use xdg-open for help
Merge branch 'master' of github.com:DoUML/douml
Fixes plugout path
Merge remote-tracking branch 'upstream/master'