Merge pull request #28 from ollipekka/master

Unified naming conventions with the native library and new enum for SDL_GLpofile.

src/SDL2.cs

@@ -597,10 +597,18 @@ namespace SDL2
 			SDL_GL_CONTEXT_MINOR_VERSION,
 			SDL_GL_CONTEXT_EGL,
 			SDL_GL_CONTEXT_FLAGS,
-			SDL_GL_PROFILE_MASK,
+			SDL_GL_CONTEXT_PROFILE_MASK,
 			SDL_GL_SHARE_WITH_CURRENT_CONTEXT
 		}
 
+		[Flags]
+		public enum SDL_GLprofile
+		{
+			SDL_GL_CONTEXT_PROFILE_CORE				= 0x0001,
+			SDL_GL_CONTEXT_PROFILE_COMPATIBILITY	= 0x0002,
+			SDL_GL_CONTEXT_PROFILE_ES				= 0x0004
+		}
+		
 		public enum SDL_WindowEventID : byte
 		{
 			SDL_WINDOWEVENT_NONE,