add edit warnings + fix chrome location + make locations relative
generate tests for IE
Merge pull request #763 from antlr/add-warnings-in-generated-tests

add edit warnings + fix chrome location + make locations relative
Merge pull request #764 from antlr/internet-explorer-tests

Internet explorer tests
add support for $self
moved from $self to $parser

- also adjusted generated tests for the above
- also adjusted generated tests for recent changes in Python/JavaScript
targets (token types are nos class members like Java/C#)
Merge pull request #770 from antlr/add-$parser-support

Add $parser support