It adds almost nothing and introduced some bugs.
This fixes:
Double evaluation in cmakeproject on build directory changes.
Wrong runconfiguration update in cmake for set_target_properties(target
PROPERTIES OUTPUT_NAME [..]) changes.

Unecessary runconfiguration removal in AutoTools and Generic projectmanager.

Reevaluation of .pro files on changing the active runconfiguration or deploy
configuration.

Task-number: QTCREATORBUG-7723
Task-number: QTCREATORBUG-7761

Change-Id: I50249b186917cd3a4f399f187f09ac8428ab6f9e
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>