Make "Go Read" app fully Tecla accessible.

[rishabhjain08]

Use InputAccessLib to make Go Read app fully Tecla accessible. Most of the components are already accessible but some components like the options menu need to be made accessible. This issue has been added to track the changes to FBReaderJ's issue : benetech/FBReaderJ#1.

[rishabhjain08]

Developing accessible "Go Read" version of app at https://github.com/rishabhjain08/FBReaderJ/tree/develop