corrected name of Krzysztof Apt in preface.pdf 

corrected name of Krzysztof Apt in preface part plus 
formatting of table of contents in RAOMproceedings.pdf

small typo correction in a variable name in 
the paper by Apt and Sietsma (submission 6)

This affects:

preface.pdf
RAOMproceedings.pdf
reasoningminds2011_submission_6.pdf
