Merge pull request #56 from thehyve/bugfix/SESIDEV-105-MyQuery

To show User Menu only for authenticated users.
Bugfix for queries without query terms
Merge branch 'master' of https://github.com/thehyve/sesi_site
Fixed bug in mica when no cross-variable is present when creating a new query
Merge branch 'master' into bugfix/SESIDEV-105-MyQuery