- Use full_name() instead of name(), otherwise package names
  are omitted.
- Fix a minor bug on RubyTypeOf(), to replace dotted protobuf
  package name by ruby's module names correctly.

	Change on 2015/01/06 by temiola <temiola@google.com>
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=83391912

-) Compiling the proto plugin using the HOSTCC compiler.
-) Set up proper rules to invoke the plugin from protoc.
-) Few various renaming hacks to fully get out of [].
	Change on 2014/12/12 by nnoble <nnoble@google.com>
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=82000361

Fixes how module names for messages with package prefixes are rendered.

- detected while prototyping with beefcake
- fixed on the internal beefcake fork here
[]

This change replicates that fix for the official code generator.

TODO: add a test; what's normal done to test features like this the proto
codebase? Add another test.proto/golden file?
	Change on 2014/12/11 by temiola <temiola@google.com>
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=81916292

	Change on 2014/12/10 by nnoble <nnoble@google.com>
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=81829127