Task-Nr: QTCREATORBUG-4275

This reverts commit 7111b4e8.

It makes no sense to clone these!

Task-number: QTCREATORBUG-4256

Do not just disable the toolchain when it is read-only. Add a method to
make it read-only instead.

Task-number: QTCREATORBUG-4211

This reverts commit 38326a28.

Look if 'this.x' exists if 'x' cannot be found as a local variable.
Enable filtering by nested names in tooltip treeview ('this.x').

RPM does not allow this by default, but it's the standard workflow
for developers.

Merge-request: 283
Reviewed-by: Christian Kandeler

Add a virtual icon() method to runcontrol.
Actually currently the icon only varies between modes of running.

Task-Nr: QTCREATORBUG-1232

Jumps to the variable on clicking.

Task-Nr: QTCREATORBUG-3316

I do not rememeber why it was building the session and not the active
project. Changing it now for 2.2 is too late though.

Merge-request: 282
Reviewed-by: hjk <qtc-committer@nokia.com>

Add toolbar controls for ignore-whitespace to editors
and wire 'Revert Chunk' context menus.

Fix Bazaar diff interaction (find the file on doubleclick).

Introduce initializeDiffEditor to BaseClient and wire the editors
there.

Conflicts:
	qtcreator.pri
	src/plugins/projectexplorer/toolchainmanager.cpp

Warn when ignoring a tool chain addition because a identical
is already configured.

Task-number: QTCREATORBUG-4206

Allow profiler to run also with 4.7.1

Task-Nr: QTCREATORBUG-4230

Task-Nr: QTCREATORBUG-3161
And related to
Task-Nr: QTCREATORBUG-1796