Issue #2311173 by JayeshSolanki : Replaced use of libraries module with composer-manager module to handle use of external disqus-api library
Changed text 'composer-manager' to 'Composer Manager' in admin settings form
Updated the README.txt file. Added instructions for installing composer manager for using the Advanced Settings in admin settings form
Merge pull request #24 from angrycodr/Replace-use-of-libraries-module

Replaced use of libraries module with composer-manager module to handle use of external disqus-api library