Implementing the domain skeleton
Merge branch 'master' of https://github.com/spinnyp/ssdf-elearning-portal

Conflicts:
	ssdf-ep-dao-jdbc/src/main/java/se/ssdf/elearning/config/DataSourceConfig.java
	ssdf-ep-services-certificate/pom.xml
	ssdf-ep-services-certificate/src/main/java/se/ssdf/elearning/services/certificate/CertificateServiceImpl.java
	ssdf-ep-services-certificate/src/main/java/se/ssdf/elearning/services/certificate/jdbc/CertificateRepositoryJDBC.java