Revert "corrected typo. changed codes to code"

This reverts commit 98d73f437205b530eba99e80bd46a964e3bac152.
Revert "folder "Codes" changed to "code""

This reverts commit ccc9f941edb63b602d4ed159b2b40b789f374dc3.
Revert "Revert "Intermediate checkin. DO NOT CHECK OUT THIS COMMIT. Just to partly make changes only file names are changed in this commit. In the next the scripts will be modified so that the module names are updated.""

This reverts commit 1ec02248c4c4b0542d3a188b89246f34101dc1dd.