Merge pull request #5 from wojtekerbetowski/master

CNAME
meeting 114 is sponsored by AdPilot
added missing colon
Dodanie target=_blank do linkow zewnetrznych i poprawka wykladu Wojtka Kudly
Przywrocenie readme
revert target=_blank
google analytics added
Added meetup link in navigation bar.
changed meeting' 114 topic and speakers & meeting' 116 speaker + some small fixes
restored books' authors
fixed geb slides link
Meetings updates