Squash of dev-blur-libs, cleanup, cmake update

Squash merge of dev-blur-libs.
Introduced base class FEWarpVolumeConstraint to allow more types of constraint.
Introduced FEWarpFilteredImageConstraint to take use of filter class instead of blur.
Removed FEWarpImageConstraint2 (previous scratch work)?
Updated cmake definitions for windows.

Author: stevenlabelle

CMakeLists.txt

@@ -24,6 +24,7 @@ endif()
 
 # Find FEBio SDK or git repo automatically
 if(WIN32)
+    add_definitions(-DWIN32 -DFECORE_DLL)
 	set(TEMP_PATHS ${CMAKE_SOURCE_DIR}/.. ${CMAKE_SOURCE_DIR}/../.. $ENV{HOMEPATH}/ $ENV{HOMEPATH}/source/repos $ENV{HOMEPATH}/*)
 else()
     set(TEMP_PATHS ${CMAKE_SOURCE_DIR}/.. ${CMAKE_SOURCE_DIR}/../.. $ENV{HOME}/ $ENV{HOME}/*)

Example/test1_v4.feb

@@ -13827,6 +13827,8 @@ Comments:
 			<var type="warp-template"/>
 			<var type="warp-target"/>
 			<var type="warp-energy"/>
+			<var type="warp-force"/>
+			<var type="warp-diff"/>
 		</plotfile>
 		<logfile>
 			<node_data data="ux" node_set="nodeset03"/>