Added waypoint support to the plugin.

- The plugin now supports drawing a series of waypoints in the world.
 - The plugin supports add, remove, and clear operations
  - Add and remove take a list of waypoints
  - Clear removes all waypoints

xpcPlugin/xpcPlugin/xpcPlugin.vcxproj

@@ -71,6 +71,7 @@
     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>Opengl32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -93,6 +94,7 @@
     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>OpenGL32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>