When creating synthetic nodes, add source information to them
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=68478194
Turn on the InferConsts pass.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=68478362
Remove jarjar since we don't need it anymore.

Thanks to Github user @pavel-v-chernykh for pointing this out on #405
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=68491280