Replace angle brackets (<>) with double quotations ("") in #include lines for SurgeSim header files.
Merge branch 'fix/oss-includes' into 'master'

Changle <> to "" for OSS includes.

+1: Paul Novotny, haizhouW, Julien Lenoir

Merged-on: https://www.assembla.com/code/OpenSurgSim/git/merge_requests/602733
Merge remote-tracking branch 'origin/master' into wip/ViewElement-Keyboard

Conflicts:
	SurgSim/Graphics/OsgViewElement.cpp
	SurgSim/Graphics/OsgViewElement.h
	SurgSim/Graphics/UnitTests/ManagerTests.cpp
	SurgSim/Graphics/UnitTests/ViewElementTests.cpp
Roll back files covered by mering Master
Make OsgViewElement owns a shared Mouse Device

ViewElement class defines the interface to return a Input::CommonDevice

OsgViewElement decides whether or not to use the owned MouseDeivce.