updated links

Author: fehguy

README.md

@@ -46,7 +46,7 @@ You can build a client against the swagger sample [petstore](http://petstore.swa
 This will run the generator with this command:
 
 ```
-java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.0-M1.jar \
+java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.2-M1.jar \
   -i http://petstore.swagger.io/v2/swagger.json \
   -l java \
   -o samples/client/petstore/java
@@ -189,7 +189,7 @@ You can also use the codegen to generate a server for a couple different framewo
 
 ### node.js
 ```
-java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.0-M1.jar \
+java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.2-M1.jar \
   -i http://petstore.swagger.io/v2/swagger.json \
   -l nodejs \
   -o samples/server/petstore/nodejs
@@ -201,7 +201,7 @@ java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distributi
 
 ### scala scalatra
 ```
-java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.0-M1.jar \
+java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.2-M1.jar \
   -i http://petstore.swagger.io/v2/swagger.json \
   -l scalatra \
   -o samples/server/petstore/scalatra
@@ -210,7 +210,7 @@ java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distributi
 ### java jax-rs
 
 ```
-java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.0-M1.jar \
+java -jar modules/swagger-codegen-distribution/target/swagger-codegen-distribution-2.1.2-M1.jar \
   -i http://petstore.swagger.io/v2/swagger.json \
   -l jaxrs \
   -o samples/server/petstore/jaxrs