Removed Services section

Since the Services section is only required in a few rare situations, I removed it to prevent confusion
Create ReviewsGetAggregateRating.php
fixed formatting
Create GetReviews.php
Rename GetReviews.php to ReviewsGetReviews.php
Create ReviewsGetContent.php
Create QuestionsGetContent.php
Added line breaks for better formatting
Deleting example.php

This example is obsolete with the recent changes. I have added more specific examples in this directory.
Rename QuestionsGetContent.php to ExampleQuestionsGetContent.php
Rename ReviewsGetAggregateRating.php to ExampleReviewsGetAggregateRating.php
Rename ReviewsGetContent.php to ExampleReviewsGetContent.php
Rename ReviewsGetReviews.php to ExampleReviewsGetReviews.php
Merge remote-tracking branch 'upstream/master'