Add and update more Atmel Studio project description XML files.

LUFA/StudioIntegration/VSIX/asf-manifest.xml

@@ -8,7 +8,7 @@
   </Identifier>
   <AsfContent Type="zip" Path="contents.zip">
     <Content>
-      <Version></Version>
+      <Version>0</Version>
       <HelpURL/>
       <Locator/>
       <DbXMLPath>content.xml.cache</DbXMLPath>

LUFA/StudioIntegration/generate_caches.py

@@ -15,7 +15,7 @@ def main():
 	try:
 		from asf_avrstudio5_interface import PythonFacade
 	except ImportError:
-		print "The ASF project generator is missing."
+		print "Fatal Error: The ASF project generator is missing."
 		sys.exit()
 
 	p = PythonFacade(os.path.abspath(__file__))
@@ -32,4 +32,4 @@ def main():
 
 
 if __name__ == "__main__":
-    sys.exit(main())
+    sys.exit(main())

LUFA/StudioIntegration/makefile

@@ -53,7 +53,7 @@ generate_vsix: $(EXTENSION_OUTPUT_XML) $(MODULE_OUTPUT_XML)
 	@python generate_caches.py $(LUFA_ROOT)/../
 
 	@echo "Archiving Content..."
-	@cd $(LUFA_ROOT)/../ && zip contents.zip -q -9 -r --exclude=*$(notdir $(DOXYGEN_TAG_FILE_XML)) --exclude=*StudioIntegration* --exclude=*Maintenance* LUFA Bootloaders Demos Projects extension.xml README.txt
+	@cd $(LUFA_ROOT)/../ && zip contents.zip -q -9 -r --exclude=*$(notdir $(DOXYGEN_TAG_FILE_XML)) --exclude=*StudioIntegration* LUFA Bootloaders Demos Projects extension.xml README.txt
 
 	@echo "Creating VSIX Dependencies..."
 	@cp $(LUFA_ROOT)/DoxygenPages/Images/LUFA_thumb.png $(LUFA_ROOT)/../PreviewThumb.png