oasp/oasp4j#52 : Completed example for blob support. Can be reviewed and
merged.
temp commit
Fixed a view pullrequest issues
Merge branch 'develop' of https://github.com/arturk88/oasp4j-sample into arturk88-develop
added Review comments

Conflicts:
	oasp4j-example-application/src/main/java/io/oasp/gastronomy/restaurant/offermanagement/dataaccess/api/ProductEntity.java
	oasp4j-example-application/src/main/java/io/oasp/gastronomy/restaurant/offermanagement/logic/impl/usecase/UcManageProductImpl.java
Merge branch 'arturk88-develop' into develop
Merge branch 'develop' of https://github.com/oasp/oasp4j-sample into develop