Added attribute facets
Fixed attribute creation
lifecycle listener acts before codelist is removed
Fixed menu visibility when no item is selected
Merge branch 'dev' of https://github.com/cotrix/cotrixrep.git into dev
Fixed header sync in link instantiation
with xstream @ 1.4.7 we compile also with Java 8
sdmx 'semantic violations' end up in report, not errors
Merge branch 'dev' of https://github.com/cotrix/cotrixrep.git into dev
Removed upper bound open occurrence ranges
Removed to column switches
Redefined attribute group, removed group creation in server side, added
group factory in client side
without unbounded ranges to support schema-driven table layouts.
Refactored columns config menu
Merge branch 'dev' of https://github.com/cotrix/cotrixrep.git into dev

Conflicts:
	cotrix/cotrix-web-manage/src/main/java/org/cotrix/web/manage/server/GroupFactory.java
Added occurrence ranges to link definitions
Fixed columns list maintenance
Fixed column reordering
Fixed Linkgroup creation, fixed link definition update
Removed remove column from headers