Merge pull request #183 from efraimgentil/master

#156 Added security measures
Fixed #128: The object speakerMBean.event can not be null.
Merge branch 'master' of https://github.com/htmfilho/yougi
Fixed #25: Removed the database table and all implementations.
Merge branch 'master' of https://github.com/htmfilho/yougi
Issue #184: Unchecked conversions
Update javaee-api to version 7
Add beans.xml to java ee 7
Merge pull request #185 from danielsoro/javaee-api-7

Update javaee-api to version 7
Added license
Merge pull request #186 from danielsoro/license

Added license
Added license for more files
Merge pull request #187 from felipewmartins/master

Added license for more files
Merge remote-tracking branch 'upstream/master'