fixed bug on ipad where no elastic scrolling was possible due to overflow: scroll
initial commit of big-data subpage (just prototyping...)
refactored variables; added some new colours
first step in cleaning up less files
changes concerning the layout
Merge branch 'feature/big-data' of https://github.com/hopped/website-boilerplate-bootstrap3 into feature/big-data

Conflicts:
	theme/util/content.less
	theme/util/footer.less
	theme/util/nav.less
	theme/util/variables.less