[maven-release-plugin] prepare release 4.2.2

[maven-release-plugin] prepare release 4.2.1

[maven-release-plugin] prepare release 4.2

Merge pull request antlr#443 from sharwell/consume-opt

Use the fetchedEOF field to often avoid an expensive LA(1) operation in consume

Release ANTLR 4.1

Update pom.xml for 4.0 final

Update version numbers for release 4.0-rc-1

ANTLR release v4.0b3; coincides with b3 of book

ANTLR release v4.0b2

ANTLR 4.0b1, first beta of v4 and coincides with beta book release