Merge branch 'master' into LaTeX_documentation_holzi
Merge branch 'latex_doc_felix'
Merge branch 'latex_doc_felix'
Added sources to business aspect of cloud computing.
Merge branch 'master' into LaTeX_documentation_holzi
Added some pictures. Edited some content.
Merge branch 'LaTeX_documentation_holzi'
Merge branch 'latex_doc_felix'
Merge branch 'master' into latex_doc_felix