backend build fail correction.
Move web--> src/main/webapp
Backend pages
backend intermediate
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Backend/src/main/java/com/sigmacr/back/controllers/ClassifierController.java
	Backend/src/main/webapp/WEB-INF/web.xml
OntoManagemet test resources commited.
added functions to delete data from the database
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/SigmaCR/sigma-cr