Merge pull request #4 from Shakleen/Post_Page_Development

Refactoring

Tests written for UserDetailsWithFollow

CommentsList widget test written

Keys added to CommentsList widget for testing

PostPage widget tests done

Added keys to PostPage widgets for testing

Refactored PostPage for easier testing.

Wrote some tests for PostPage

Comment section done

Basic Post Page done.

Merge pull request #3 from Shakleen/Widget_Refactoring

read me updated

widget tests written for new refactored widgets

Unit tested post model