add travis configuration; modify README
Update README.md
fix bug; add version to plugin in order to it can be executed with java 6
Merge branch 'master' of https://github.com/jesuspg/fiware-paas

# By jesus perez
# Via jesus perez
* 'master' of https://github.com/jesuspg/fiware-paas:
  Update README.md
Merge pull request #13 from jesuspg/master

add travis configuration