Externs version rollover dance for Maps API V3
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=47012655
Skip checks if constructor has no instance type.

Fixes issue 1002
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=47053164
Fix incorrect attachment of jsdoc comments to nodes.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=47056594