Separates index.html from a custom_article.html template.

This makes it simpler to change the index.html file in a derative of the template, overriding only the index page.
Merge pull request #114 from unbrice/custom_index

Separates index.html from a custom_article.html template.
New examples encountered
Update EXAMPLES.md
Even more examples!

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Full IPython nb liquid tags support
Merge branch 'master' of github.com:DandyDev/pelican-bootstrap3 into rel_canonical

Conflicts:
	templates/base.html
	templates/index.html