* Improve parser to recognize gnu make errors.

Task-number: QTCREATORBUG-214

IDebugSymbolGroup apparently needs to have IDebugSymbols set to
the current scope.
Task-number: QTCREATORBUG-861

This could happen when using Ctrl+Tab to switch editors, and while
holding Ctrl you close an editor with Ctrl+W, and then you try to select
it.

Since the crash was due to an assertion, we can just avoid it by doing
nothing when no editor for the given file is found.

Reviewed-by: mae
Task-number: QTCREATOR-190

Only if we need the information.

Task-Nr: QTCREATOR-7

in the same fashion as "Clean repository".

This makes the positioning of text and icon adjust if the
text labels are empty.

Done-with: jbache

It's unmaintained, and there is little chance we will reenable it.

Emit an IEditor::changed() after saving to force an update
of the OpenEditorsModel.

The patch makes notification items fade away after 5 seconds.
KeepOnFinish items like the build notification are kept for
5 seconds after the user interacts with mouse or keyboard.

Done-width: jbache

Go to About Plugins and enable/disable plugins from there.

Reviewed-by: mae

Present user with a checkable list of files to be cleaned (add reusable
dialog to VCSBase module).

This is now possible due to the async evaluation

Since otherwise we can't forward declare it.

This fixes a problem where the text would clip
if it didnt fit after the progress bar had
completed.

Debug is now only available in debug mode, run is available in all
other modes.

Some styles use etched text and drawtextitem does
not pass the widget pointer, hence our panelwidget
tests are broken. I simply replaced this with
drawText for now.

Reviewed-by: Tobias Hunger

The functionality was duplicated between the Qt4 and CMake build
configurations and their configuration widgets. This change moves it
down to BuildConfiguration, in addition also making it available for the
Generic Project.

Also provides an upgrade path for the configuration.

Task-number: QTCREATOR-24
Reviewed-by: dt
Reviewed-by: Tobias Hunger

As discussed with nigel, this label doesnt really make sense.
It is confusing because you might thing you should click it
and tab widgets do not usually require labels to indicate that
you should press them.