Implemented two more RR types: TXT and HINFO.
New tool to print DNS answers in IC2012-like format.
Improved TXT display (picodig was not very relevant on such RRs).
Improved AnswerOnly display to take more lines into account.

However, authority and additional records are discarded completely when using this mode.
New option for ic2012dns: filter-ip.
Bugfix: EMPTY message should only displayed on verbose mode.
New submission: CRISIS tutorial.
Some typos fixed.
Finalized CRISIS 2013 submission.
First draft version of SSTIC presentation.
Cleaned up the paper and tutorial directories.