* update fontawesome to 4.7
* adds remarkup inspired boxes
* adds markdown example as image
* adds draft post with usage examples
* move box definitions in main.css
* Revert "update fontawesome to 4.7"
This reverts commit 9d7c96cbb2586cd93b91dd099d95c2558aca3bb7.
* moves box examples into showcase post
* fix line endings in test-markdown
* fix line endings