Provide a configs.dist.php example file instead

When i took my code to my own server, it was with some trepidation that I'd never get patches again.
This change is to acknowledge those who've made that fear unwarranted.

Thanks to  S. Ben Melhuish for the notification that the installation failed due to dependency errors.
Also updated the dependencies.

# Conflicts:
#	LICENCE

# Conflicts:
#	LICENCE

- Changed licence to BSD 3 Clause Clear
- Working on some fediverse content, accidentally on master.

Removed Twitter Syndication

This reverts commit 50232f102b.

Introduce configurable storage folders

Adds two new configurations: storageFolder and trashFolder. These
contain the paths to their respective folders.

Expands the write_file() function to check the directory it wants to
write to exists, else try to create it. This way subfolders for the
different post types will be created automatically.

Introduce a configurable Token Endpoint

Fixes #11; Fixed the logic for replies.

Fix for #11.

Conflicts:
	helpers.php
	nanopub.php

FIX: Retooled the weather code to be more understandable
CHANGE: Script now requires PHP 7.

This relase finalises the codebase for external content in
reposts/likes.

Improved handling of repost/like external content data without any
increase in Composer Dependencies.