Remove redundancy across markdown files
Remove redundancies with wiki from markdown files
Make headers of markdown files uniform
Add mrhmouse to Authors.txt
Revamp Dependencies.md
Revamp Platforms.md
Explain purpose of Authors.txt
Add Tcl/Tk to Dependencies.md
Proper name in Authors.txt
Reorder Readme.md and remove more unnecessary bits
Remove last wiki-redundant bits from Readme.md
Rewrite section 'How' in Readme.md
Add list of available commands to Readme.md under 'What'
Add 'Where' section with pointers to Readme.md
Finishing touches to Readme.md
More finishing touches to Readme.md
Promote level_up to available commands in Readme.md
Update and improve list headers in Dependencies.md
Merge pull request #38 from jgonggrijp/update-docs

Conflicts:
	Authors.txt
	Dependencies.md

Also added line breaks to Platforms.md.