ISIS-1353: updates swagger-core from 1.5.5 to 1.5.9
ISIS-1353: updates swagger-core from 1.5.5 to 1.5.9

            <dependency>
                <groupId>io.swagger</groupId>
                <artifactId>swagger-core</artifactId>
                <version>${swagger-core.version}</version>
                <exclusions>
                    <exclusion>
                        <groupId>org.apache.commons</groupId>
                        <artifactId>commons-lang3</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>

apache/isis,estatio/isis,estatio/isis,niv0/isis,estatio/isis,apache/isis,oscarbou/isis,apache/isis,incodehq/isis,apache/isis,niv0/isis,oscarbou/isis,sanderginn/isis,sanderginn/isis,apache/isis,sanderginn/isis,oscarbou/isis,apache/isis,estatio/isis,incodehq/isis,incodehq/isis,niv0/isis,incodehq/isis,niv0/isis,sanderginn/isis,oscarbou/isis