* added handlebars-helper-mdpartial
* new demo content for md partials
* about.hbs > cleanup
* working on new layout for the index.html
* feature.less will be obsolete
updated content files with title, tag, and link information
replaced big data icon
* some css changes concerning the index.html
* added some more colours
* topics are no longer stored separately in md files, because they won't have any content at all
* moved to yaml (cf. index.hbs)
* handlebars-helper-mdpartial is now redundant
changed layout
added some new pictures
deleted; picture too large
removed empty line
removed unused images
added some new images
* played around with some layouts
* css code is a mess...too redundant
improved readability of text
removed some images, again
added some images
small change in opacity
* moved descriptions for the landing page back to markdown files
* re-introduced mdpartial
* wrote handlebars helper to exclude both header and footer from #eachPartial iteration