Sort in an case-insensitive way

modules.py

@@ -56,7 +56,7 @@ if __name__ == "__main__":
 
     print "# Available Modules"
     for dir in sorted(subdirs):
-        available_software = software_list(dir)
+        available_software = software_list(dir, key=lambda s: s.lower())
         print "\n## %s\n" % os.path.basename(dir).title()
         print "| Module | Description |"
         print "| ------ | ----------- |"