Find: Gracefully handle small size of find tool bar

Hide the labels and buttons if it gets too small.

Change-Id: Id6a3d695909e13be7160890ed04117c25929c7f7
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Add search to project tree.

Change-Id: I1c3c3dbb27adebcacfbb1e937e76e7ff2dd3d385
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Avoid explicit checks for windows host when working with file paths

We have fileNameCaseSensitivity and withExecutableSuffix et al.

Change-Id: I79bd2cd57e258c3f15673a661a49bab597d7afa4
Reviewed-by: Daniel Teske <daniel.teske@digia.com>