In AutoValueProcessor, accumulate template variables as fields in a class rather than just filling in entries in a Map. This gives extra type checking and provides a place to document the meaning of each variable.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=63310701
Fix AutoValue user guide address.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=63685081