Added first part of xing
Update README.md
Changed xing-get method from "file_get_contents" to curl
Merge branch 'master' of https://github.com/MrFloppy/SocialMediaEnhancer
Modified xing-share url
Merge branch 'master' of https://github.com/MrFloppy/SocialMediaEnhancer into MrFloppy-master
merge #18