Switches to using protobuf-ruby.

- Adds a dependency to protobuf-ruby in the gemfile
- Updates math.proto to proto3
- Updates math server and client to use protoc protos
- Updates interop server and client to use protoc protos

Also
- Fixes/Updates the noproto samples

TESTED: math_server and math_client can communicate locally.
	Change on 2015/01/07 by temiola <temiola@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=83483448

1 files changed, 7 insertions, 7 deletions

diff --git a/src/ruby/bin/math.proto b/src/ruby/bin/math.proto
index de18a50260..c49787ad54 100755
--- a/src/ruby/bin/math.proto
+++ b/src/ruby/bin/math.proto
@@ -1,15 +1,15 @@
-syntax = "proto2";
+syntax = "proto3";
 
 package math;
 
 message DivArgs {
-  required int64 dividend = 1;
-  required int64 divisor = 2;
+  optional int64 dividend = 1;
+  optional int64 divisor = 2;
 }
 
 message DivReply {
-  required int64 quotient = 1;
-  required int64 remainder = 2;
+  optional int64 quotient = 1;
+  optional int64 remainder = 2;
 }
 
 message FibArgs {
@@ -17,11 +17,11 @@ message FibArgs {
 }
 
 message Num {
-  required int64 num = 1;
+  optional int64 num = 1;
 }
 
 message FibReply {
-  required int64 count = 1;
+  optional int64 count = 1;
 }
 
 service Math {