add travis configuration
modify nexus repository url
add travis configuration; add badges to readme
upgrade commons dependencies versions
fix bug in pom
modify sdc client version
Merge branch 'develop' of https://github.com/telefonicaid/fiware-paas into develop
Merge branch 'develop' of https://github.com/telefonicaid/fiware-paas into develop

Conflicts:
	README.md
	core/pom.xml
fix bug; add version to plugin in order to it can be executed with java 6
Merge pull request #7 from jesuspg/develop

Develop