prepare release

all tests pass (commented out performance and alternate quotes)
added test for complement set
tests regenerated to fix results after bug fixes and « huge string »
issue in java 1.7+
bild.py review to fix numerous bugs
merge from master into release branch
Merge branch 'release-4.5'
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