Better handling of SplitterWindow cursors.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Fix some minor issues with SplitterWindow.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Fix test case for TransformObjectsCommand.
Fix a bug in TransformObjectsCommand.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Fix some compiler warnings in MSVC.

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>
Merge branch 'NewArchitecture' of github.com:kduske/TrenchBroom into NewArchitecture

Signed-off-by: Kristian Duske <kristian.duske@gmail.com>

Conflicts:
	common/src/Controller/TransformObjectsCommand.cpp
	test/src/Controller/TransformObjectsCommandTest.cpp