Added existing Octopress posts

Added the existing Octopress posts to the source directory. This does not yet include the posts written in SecondCrack's markdown syntax.
Added post images and added initial configuration

* Added the images belonging to the Octopress posts.
* Changed some basic configuration like blog title.
Added SecondCrack posts

Added SecondCrack posts and did some simple conversion.
Added SecondCrack images
Merge branch 'master' of github.com:DennisLaumen/DennisLaumenSource