rhbz1001405 - add disable-ssl-cert option to java/maven client
clean up
rhbz1001405 - refactor code

- customised trust manager no need to be conditional as it's only used by resteasy
- remove unused test class
- remove metavar from option
rhbz1001405 - wording change and minor refactor
remove unused dependency from pom
minor refactor
Merge pull request #1 from zanata/disable-ssl-cert

rhbz1001405 - add disable-ssl-cert option to java/maven client