Updated leo.py

With Extra functions copy and list
Updated leo.rb for indent change
Updated leo.rb for indent style change
Update leo.py deleted unnecessary code lines
Update erlcloud client & common testFile
Update Java client with code unification
Update PHP client with code unification
Update python-boto client with code unification
Update Node.js client with code unification
Update Ruby client with code unification and ACL test
Update s3cmd client with code unification
Add s3fs-fuse and s3fuse client
Updated java nodejs php ruby erlcloud s3 clients