pom update
Merge branch 'master' of github.com:ixa-ehu/ixa-pipe-pos
Merge branch 'dev' of github.com:ixa-ehu/ixa-pipe-pos
Merge branch 'master' of github.com:ixa-ehu/ixa-pipe-pos
Merge branch 'master' of github.com:ixa-ehu/ixa-pipe-pos
removing explicit dependency on java7