Add way to recursively link a variable chooser to suitable child widget

Change-Id: Id4937fc4367cca96833c46db87e37ed6524bda0a
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>
QtSupport: Add macro expansion to custom executable config widget

Change-Id: I3a36b4bc8e4abca8b9b71558f303ac5019cbe23c
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>
FindToolBar: Refactor opening the tool bar

Introduce flags for what to do instead of doing much of the
logic itself in that method.

Change-Id: I3ee38e39549e1267c55c94c3a93211492eb2e2f3
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Find: Fix wrong target of (replace) next/previous actions.

They were always triggered on the find support that had the find tool bar,
even if the focus moved to a different one and even if the find tool bar was
not visible.

Task-number: QTCREATORBUG-11587
Change-Id: Ica7ef6275dc8a7e0e8b974c2796651c9ca7809a6
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
VariableChooser: Fix closing with Escape key

Change-Id: Ibf0f344d50941255a28c19cf6914521c1c7b0cf6
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>