Disable the full-context DFA by default
Fix documentation problems
Remove unused import
Fix ParseTreePatternMatcher.compile allowing invalid syntax
Merge pull request #458 from sharwell/tweaks

Tweaks
4.1->4.2 in doc
Updated maven release configuration
Merge commit '3d462f29b5508d045fec1918406a8c3f367ce02a' into optimized
Merge branch 'full-ctx-dfa' into optimized