private static File getToolFile(File dir, String toolName) {
		return new File(dir,
			NamingUtilities.mangle(toolName) + ProjectManager.APPLICATION_TOOL_EXTENSION);
	}
Returns all tools found in the classpath that live under a root
'defaultTools' directory or a root 'extraTools' directory

@return the tools
Ghidra/Framework/Project/src/main/java/ghidra/framework/ToolUtils.java