Session security fixes
Session security fixes, X-Frame-Options header
Merge pull request #271 from dlu-gs/hotfix/security

Hotfix/security
Notice fix
Merge pull request #272 from dlu-gs/hotfix/security

Notice fix
Merge branch 'develop' of https://github.com/vivoportal/vivoportal into hotfix/security

Conflicts:
	config/module.config.php
Merge pull request #274 from dlu-gs/hotfix/security

Hotfix/security