ISIS-1353: updates gson from 2.5 to 2.7
ISIS-1353: updates gson from 2.5 to 2.7

            <dependency>
                <groupId>com.google.code.gson</groupId>
                <artifactId>gson</artifactId>
                <version>${gson.version}</version>
            </dependency>

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