[nostalgia,olympic,studio] Add Olympic applib system, convert Studio to use it

src/nostalgia/modules/CMakeLists.txt

@@ -3,7 +3,6 @@
 add_subdirectory(core)
 add_subdirectory(scene)
 
-
 # module libraries
 
 # Keel
@@ -17,6 +16,12 @@ target_link_libraries(
 		NostalgiaCore-Keel
 		NostalgiaScene-Keel
 )
+target_compile_definitions(
+	NostalgiaKeelModules PUBLIC
+		OLYMPIC_PROJECT_NAME="Nostalgia"
+		OLYMPIC_PROJECT_NAMESPACE=nostalgia
+		OLYMPIC_PROJECT_DATADIR=".nostalgia"
+)
 install(
 	FILES
 		keelmodules.hpp