First draft of mutlinode support.
Added a new spec for interacting with user repositories.
Add servlet mapping for node1
Basic multinode functionality (startup, search, addsample data) works
Merge branch 'feature/multinode' of github.com:jesseeichar/core-geonetwork into feature/multinode
Move widget apps in Jeeves services. Add node parameter for multinode support.
Merge remote-tracking branch 'upstream/develop' into feature/multinodes-mode

Conflicts:
	web/src/main/webapp/WEB-INF/config-security/config-security-mapping.xml
Merge pull request #1 from fxprunayre/feature/multinodes-mode

Merge to develop. Support node config in tabsearch, search and html5ui widget apps. Add node parameter to j_spring_security_check.
Security of multinode now prevents use to be logged into two nodes at once.
Merge branch 'feature/multinode' of github.com:jesseeichar/core-geonetwork into feature/multinode

Conflicts:
	web/src/main/webapp/WEB-INF/config.xml
changed how to configure multinode slightly.
Add node check in login.jsp.
Update example for widget app configuration. Make search the default UI.
Add utility script to add new node configuration.
Merge pull request #2 from fxprunayre/feature/multinodes-mode

Feature/multinodes mode
Some minor changes to make startup work a bit more seemlessly
Drop classes which add a java 7 dependency and were required by old statistics UI not used anymore.
Add web-ui to WAR build.
Fix node param to be sent to spring_security_check.
Fixed a bug with multinode support.