Preparation for removing MaemoDebugRunControl.

Reviewed-by: kh1

Reviewed-by: ck

Reviewed-by: ck

An attempt to fix http://bugreports.qt.nokia.com/browse/QTCREATORBUG-1841

Conflicts:
	src/plugins/qmlinspector/qmlinspectorplugin.cpp
	src/plugins/qmljseditor/qmljseditor.h
	src/plugins/qmljsinspector/QmlJSInspector.pluginspec
	src/tools/qml/qmlobserver/editor/resizehandleitem.h

also cleaned up old stuff

qmljsinspector: use the columnNumber as well as the lineNumber to locate QDeclarativeDebugObjectReference

Use a smarter way to compare the AST (based on the diffX algorithm)
That way we do not rely anymore on the id property

This reverts commit 2785f013.

We had multiple cases where people were assuming that you can't do
project wide search/replace, because they tried Ctrl+f and that is only
single file.

Reviewed-by: Thorbjørn Lindeijer

Also show "Replace", "Replace & Find" and "Replace All" in the tool bar,
i.e. don't show the "Replace & Find Previous" in the tool bar to avoid
it getting crowded.

Reviewed-by: Thorbjørn Lindeijer