Change zpath constant names to solve compile errors.
Change zpath constant names to solve compile errors.

This errors were generated by the mistake in the process of
merging open source java client.

naver/arcus-java-client,jam2in/arcus-java-client,whchoi83/arcus-java-client,naver/arcus-java-client,naver/arcus-java-client,jam2in/arcus-java-client,whchoi83/arcus-java-client,naver/arcus-java-client,whchoi83/arcus-java-client,jam2in/arcus-java-client,jam2in/arcus-java-client