Added some robustness to MultiNodeAuthenticationFilter for language detection.

home now add parameters to service URL if they are present like

    geonetwork/home?insert

which is required for admin UI
Merge branch 'develop' of github.com:jesseeichar/core-geonetwork into develop
Merge branch 'develop' of github.com:jesseeichar/core-geonetwork into bug/homeServiceParameters