postgresql is recommended dependency (it's not required anymore - it can be...

postgresql is recommended dependency (it's not required anymore - it can be installed on another vm)

debian/template/control

@@ -10,7 +10,9 @@ Description: Standalone web application for visualization, exploration and
  management of molecular networks encoded in SBGN-compliant format. After 
  installation, the resource is used and managed via a webbrowser, under the 
  default address 'http://localhost:8080/minerva/'. You can configure your 
- Tomcat server later to change the address.
+ Tomcat server later to change the address. Full documentation can be found
+ here: https://minerva.pages.uni.lu/doc/
 Section: science
 Homepage: http://r3lab.uni.lu/web/minerva-website/
-Depends: ${misc:Depends}, dbconfig-pgsql, tomcat7 | tomcat8, postgresql (>=9.3)
+Recommends: postgresql (>=9.3)
+Depends: ${misc:Depends}, dbconfig-pgsql, tomcat7 | tomcat8