Reviewed-by: hjk

Not very nice, because it overrides platform behaviour.
The alternatives seem uglier, though.

Task-number: QTCREATORBUG-2860

Task-number: QTCREATORBUG-2423

Task-number: QTCREATORBUG-2753

When searching the search result window the current item was ignored in
the search instead of potentially being the first match.

Task-number: QTCREATORBUG-2753

Adds a showWrapIndicator(parent) method to IFindSupport, to be used by
implementations. First implementation is given for the BaseFindSupport
that's used for all searches in Q(Plain)TextEdits.

Task-number: QTCREATORBUG-2753

Now rendering is only happen if no changes happen anymore.

Reviewed-by: Christian Kamm

Reviewed-by: Christian Kamm

We have a proper fix for 2.2.

Task-number: QTCREATORBUG-3486

Task-Nr: QTCREATORBUG-2723

 * Move the environment model code to utils and export it
 * rename the environmenteditmodel files to environmentwidget
   (which is the class they actually contain)

Reviewed-by: dt

Introduced by recent ProxyAction refactoring, we may not copy the actual
enabled/visible/checked state during initialization.

Regression introduced in 17d11b7b.

Much faster.

Instead of doing context magic which doesn't reflect what actually was
meant: The actions are different commands, but the button should be
corresponding to different commands in different states.

Fix git show using the default format the first time it gets used.

Task-number: QTCREATORBUG-3412

But still slow.

There was no reason, and using QAction is more flexible.