remove hard coded app name

Create a shareable trim of the website

Some of the code of the website is private.  Create a cut-down version
whose source can be shared with third parties.

Add README file discribing the source code repository.

Change links to Dropbox to a private copy of the files.
Move main stylesheet to a more logical location
Replace colour not in Durham Uni colour palette

The background on the 'landing'/'about' page now uses Pantone 257 C, one
of the secondary colours from the [Durham University colour palette][cp]

 [cp]: http://www.dur.ac.uk/communications.office/marketing/branding/colourpalette/
Update Readme

Update info regarding the current website no longer corresponding 100%
to that written by me -- Jan Minar
Fix links to Markdown source files on Dropbox

Update links for Markdown page copy source to point to the designated
copies of files, not the ones that used to be shared with the production
version of the website.
Merge remote branch 'github/master' into fix-merge-github-cv

Manually resolve conflicts:

	.gitmodules
	README.md
	lib/php-markdown
	photos/index.php
	stylesheets/style.css
	training/index.php