Make pagination example work for multiple controllers

This might come in handy when inheriting the paging functionality in multiple controllers.
fix for resource_class default value definition
mocha updated
turn replaced with minitest-rg
This is a minimal fix for the parent class issue in the case of a namespaced controller and a non-namespaced model.  Deliberately makes the minimal change to existing code to address the issue.
Merge pull request #376 from petergoldstein/feature/minimal_fix_for_parent_class

Minimal fix for parent class issue.
Merge pull request #374 from andriytyurnikov/dependency_update

dependencies updated
Make the rails dependecy explicit.

Also don't allow support to Rails 4.2
Merge pull request #348 from evilguc/resource_class_definition_fix

fix for resource_class default value definition
Merge pull request #316 from gunnarblom/patch-1

Make pagination example work for multiple controllers
Update the documentation to match modern Rails

Fixes #343
change controller scaffold template in order to build resource params
change fetch to require in resource params
generate resource params if rails 4 app or used strong params gem
Merge pull request #378 from dmitri-wm/master

change controller scaffold template in order to build resource params
Do not generate private keyword when it is not needed
Release 1.5.1