Fix all statistics services broken by ReadOnlyMode and some IOUtils changes.

Conflicts:

	web/src/main/java/org/fao/geonet/services/statistics/LastMonthSummary.java
	web/src/main/java/org/fao/geonet/services/statistics/TableExport.java
Fix logo size on IE7.
Widgets / Translate user role in user menu.
Add configuration option to update or not schema plugin catalog on startup (allows to modify it manually if necessary).
ISO19139 / Improve label in french.
Feedback form / JS error.
Fix findbugs checks.

Conflicts:

	web/src/main/java/org/fao/geonet/services/statistics/TableExport.java
Self Registration - not adding profile (#1298).
Fix statistics compile error.