1st pages corrections

Changes to text wrap around images
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages
Changes to file numbering

Changed file numbering to correspond with contents page
Change contents page file extension

Change contents page from .txt to .md
Typesetting corrections

Fixed missed headings, bullet lists and tables
Images

Illustrations added to images folder
Corrections to images

Remove background from selected images
Merge pull request #17 from emmaattwell/gh-pages

Various editorial updates, correx and improvements to MMH and EPC merged.