Update 2013/talks/jan18/README.md

adding João Moura talk
Added names and title refering to schedule
Merge pull request #11 from bobmaerten/master

Added names and title refering to schedule 
manual fix for Joao's talk
Found Irene Ros Slides on SpeakerDeck
Merge pull request #12 from bobmaerten/master

Added slide from Irene Ros
Typo in Alexandre Morgaut's name
Added slides and corrected list for Joao
Merge pull request #13 from bobmaerten/master

Moar changes!