added meta data like description, keywords and author
optimised description
added dot and the end of the description sentence
fixed typos in meta data
added google plus foo to connect our website with google plus
changed google plus link to nicer to reader url
changed changed google plus link to nicer to reader url again
Merge branch 'gh-pages' into gh-pages-beta

Conflicts:
	index.html
Changed feature sections
- new screenshots including an iPhone within the image
- text next to the image while alternating the position of the image (left / right)