Mango Reader 0.1.1.1

* Added I18b ability to the module
* Added collection drop ability
* Amended description of the module
* Minor changes (see diff)

Also see the official Mango Reader [homepage on GitHub] (https://github.com/sergeyklay/gleez-mango).
@sandeepone  It may be better to use it as a submodule?

Best regards,