Update 2013/talks/jan18/README.md

adding João Moura talk
Merge pull request #11 from bobmaerten/master

Added names and title refering to schedule
manual fix for Joao's talk
Merge pull request #12 from bobmaerten/master

Added slide from Irene Ros
Merge pull request #13 from bobmaerten/master

Moar changes!
Merge pull request #14 from bobmaerten/master

Changed to actual slides from Rodney Rehm
Update 2013/talks/jan18/README.md
Merge pull request #15 from jcoufal/patch-1

Update 2013/talks/jan18/README.md (Jaromir Coufal - Alchemy)