Fix transition statistics calculation when a file contains no transitions
Show additional information about rules and viable alternatives for conflicts, ambiguity, and/or context sensitivity
Pass more information to ANTLRErrorListener methods
Remove statistics gathering from ParserATNSimulator that's more suited for specialized listeners
Calculate detailed transition statistics per decision
Merge pull request #255 from sharwell/detailed-statistics

Detailed statistics
Merge branch 'master' of github.com:antlr/antlr4