Index structure, jQuery link

created header and footer php files as well as the layout css
divided the index file into header-, footer- and index.php
linked the Google jQuery API in head section of header.php
Favicons

created favicons for browsers, apple devices and fluidapp
added those to the head section of header.php
Update README.md

added a few small chapters to the README.md file
such as "before trying", "development" and "legal stuff"
Meta Viewport

changed maximum-scale to 1.0
added Bootstrap CSS framework (temporary)
Update LICENSE

changed the license to the template "GNU GPL v3.0" from GitHub