change glsl #version, remove CG from required libraries

CMakeLists.txt

@@ -194,7 +194,7 @@ find_package(OIS REQUIRED)
 find_package(OpenAL REQUIRED)
 find_package(Bullet REQUIRED)
 IF(OGRE_STATIC)
-find_package(Cg REQUIRED)
+find_package(Cg)
 IF(WIN32)
 set(OGRE_PLUGIN_INCLUDE_DIRS ${OGRE_Plugin_CgProgramManager_INCLUDE_DIRS} ${OGRE_Plugin_OctreeSceneManager_INCLUDE_DIRS} ${OGRE_Plugin_ParticleFX_INCLUDE_DIRS} ${OGRE_RenderSystem_Direct3D9_INCLUDE_DIRS} ${OGRE_RenderSystem_GL_INCLUDE_DIRS})
 ELSE(WIN32)
@@ -347,7 +347,7 @@ if(DPKG_PROGRAM)
     SET(CPACK_DEBIAN_PACKAGE_NAME "openmw")
     SET(CPACK_DEBIAN_PACKAGE_VERSION "${VERSION_STRING}")
     SET(CPACK_PACKAGE_EXECUTABLES "openmw;OpenMW esmtool;Esmtool omwlauncher;OMWLauncher mwiniimporter;MWiniImporter")
-    SET(CPACK_DEBIAN_PACKAGE_DEPENDS "nvidia-cg-toolkit (>= 2.1),  libboost-filesystem1.46.1 (>= 1.46.1), libboost-program-options1.46.1 (>= 1.46.1), libboost-system1.46.1 (>= 1.46.1), libboost-thread1.46.1 (>= 1.46.1), libc6 (>= 2.11.2), libfreetype6 (>= 2.2.1), libgcc1 (>= 1:4.1.1), libmpg123-0 (>= 1.12.1), libois-1.3.0 (>= 1.3.0), libopenal1 (>= 1:1.12.854), libsndfile1 (>= 1.0.23), libstdc++6 (>= 4.4.5), libuuid1 (>= 2.17.2), libqtgui4 (>= 4.7.0)")
+    SET(CPACK_DEBIAN_PACKAGE_DEPENDS "libboost-filesystem1.46.1 (>= 1.46.1), libboost-program-options1.46.1 (>= 1.46.1), libboost-system1.46.1 (>= 1.46.1), libboost-thread1.46.1 (>= 1.46.1), libc6 (>= 2.11.2), libfreetype6 (>= 2.2.1), libgcc1 (>= 1:4.1.1), libmpg123-0 (>= 1.12.1), libois-1.3.0 (>= 1.3.0), libopenal1 (>= 1:1.12.854), libsndfile1 (>= 1.0.23), libstdc++6 (>= 4.4.5), libuuid1 (>= 2.17.2), libqtgui4 (>= 4.7.0)")
 
     SET(CPACK_DEBIAN_PACKAGE_SECTION "Games")
 

files/materials/core.h

@@ -46,7 +46,7 @@
 #endif
 
 #if SH_GLSL == 1
-    @shGlslVersion(420)
+    @shGlslVersion(130)
 
     #define float2 vec2
     #define float3 vec3