Merge branch 'formatter-functions' of github.com:jesseeichar/core-geonetwork into geocat_searchui_develop

Conflicts:
	web/src/main/webapp/WEB-INF/classes/log4j.xml
Merge branch 'formatter-functions' of github.com:jesseeichar/core-geonetwork into geocat_searchui_develop
Expandable search form + various fixes
More space to restrictArea labels
Make iso19139 Handlers can be inherited
Add iso19139.ch Handlers that inherits from iso19139
Add bbox handlers for iso19139
Add root handlers for iso19139
to make root Metadata element as a package
Merge remote-tracking branch 'origin/geocat_searchui_develop' into geocat_searchui_develop
Merge branch 'formatter-functions' of github.com:jesseeichar/core-geonetwork into geocat_searchui_develop
Add nav bar for packages in iso19139 full view
Allow null value for string substitution in FileResult formatter
Merge remote-tracking branch 'origin/geocat_searchui_develop' into geocat_searchui_develop
Fixed compile errors
Add package tab for reference system info
Add selector function in common for gco:isoType elements
update ResponsibleParty handler
add skip container handlers to just skip an element and render its children
Add function to render html div with bootstrap col-sm-* class
add severals handlers