Remove compiler options "-Werror", "-Xlint"
Remove compiler options "-Werror", "-Xlint"

remove compiler options that make compiler to treat warnings as error

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