Huge engine/host commit.

* Rebuild CModGroupApp::Main, did not include the dedicated routine with the empty class global.
* Using a template function now for virtual function calls
* Implemented most of the CEngine class and grabbing its global var now.
* Using local CEngine now in FrameUpdate
* Implemented EngineParms_t fully and grabbing its global var.
* Added macro for adding class member variables at offsets.

A lot of comments added regarding what needs to be done for this commit.

* Check other season compability, wasn't able to do that due to not having access to said binaries at the moment.
* Fix sdklauncher to use widestrings to fix the bug with other languages in path

r5dev/dedicated.vcxproj

@@ -186,8 +186,10 @@
     <ClInclude Include="engine\host_cmd.h" />
     <ClInclude Include="engine\host_state.h" />
     <ClInclude Include="engine\net_chan.h" />
+    <ClInclude Include="engine\sv_main.h" />
     <ClInclude Include="engine\sys_dll.h" />
     <ClInclude Include="engine\sys_dll2.h" />
+    <ClInclude Include="engine\sys_engine.h" />
     <ClInclude Include="engine\sys_utils.h" />
     <ClInclude Include="launcher\IApplication.h" />
     <ClInclude Include="mathlib\adler32.h" />
@@ -375,8 +377,10 @@
     <ClCompile Include="engine\host_cmd.cpp" />
     <ClCompile Include="engine\host_state.cpp" />
     <ClCompile Include="engine\net_chan.cpp" />
+    <ClCompile Include="engine\sv_main.cpp" />
     <ClCompile Include="engine\sys_dll.cpp" />
     <ClCompile Include="engine\sys_dll2.cpp" />
+    <ClCompile Include="engine\sys_engine.cpp" />
     <ClCompile Include="engine\sys_utils.cpp" />
     <ClCompile Include="launcher\IApplication.cpp" />
     <ClCompile Include="mathlib\adler32.cpp" />