RevBy:    Found by me.
(cherry picked from commit 58827feb)

Task:     - 234321
RevBy:    - Thorbjørn

Details:  Free the whole ProFile*, ProItem*, ProValue* and etc
structure after parsing, that frees around 200Mb for projects.pro.

The scope of the classes is now separated and displayed in the second
column, and not included in the search.

    enum ExtraSelectionKind {
        CurrentLineSelection,
        ParenthesesMatchingSelection,
        CodeWarningsSelection,
        CodeSemanticsSelection,
        OtherSelection,
        NExtraSelectionKinds
    };
    void setExtraSelections(ExtraSelectionKind kind, const QList<QTextEdit::ExtraSelection> &selections);
    QList<QTextEdit::ExtraSelection> extraSelections(ExtraSelectionKind kind) const;

This is mainly for the benefit of the cppmodelmanager.

(cherry picked from commit a02c5e61)

Task: 237390
Details: Add 'allowDirectories' property to the widgets involved.

new signal: BaseTextEditor::lineContextMenuRequested(TextEditor::ITextEditor *editor, int line, QMenu *menu);

To be useful and used by the bookmarkmanager, this has to move to ITextEditor.

Invokable with 'c', currently shows all classes it can find.

Details: StartFailed is triggered before the event loop starts on Windows.

Fixes: Console wizard has finalPage set, wrong options for wizard, quieten p4 when quering the project directory

Task:     -
RevBy:    -
AutoTest: -
Details:  -