Merge pull request #5 from a442/master

documented part of the code
destructor of PajeDefinitions
delete decoder
fix size of event definition vector
remove paje_line from PajeTraceEvent
make pajeEventDefinition of PajeTraceEvent private
fix flex/bison parser for paje trace files
Merge branch 'master' of github.com:schnorr/pajeng
free memory
add gpl
kill pjflex
fix compilation
improve README
add lang-paje document sources in latex
make it compile alone if necessary
Merge branch 'master' of https://github.com/schnorr/pajeng

Updates PajeSimulator avoiding memory leakage