For in loops inside generators now properly skip elements that have been deleted from the underlying collection.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=73319637
Destructuring: Fix a silly bug in which we were passing the wrong parent node to visit().

This causes a couple Traceur tests to start passing.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=73324707
Add @const annotation to ES6 constant declarations.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=73332988
[NEW TYPE INFERENCE] Small cleanup in GlobalTypeInfo.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=73341064
yield * passes arguments given to the next call on to the generator being iterated over.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=73342189