Merge branch 'master' into feature/across-space

Conflicts:
	component/webui/src/main/java/org/exoplatform/social/webui/space/access/SpaceAccessApplicationLifecycle.java
	webapp/juzu-portlet/pom.xml
	webapp/juzu-portlet/src/main/java/org/exoplatform/social/portlet/sample/package-info.java
	webapp/juzu-portlet/src/main/webapp/WEB-INF/portlet.xml
	webapp/juzu-portlet/src/main/webapp/WEB-INF/spring.xml
	webapp/juzu-portlet/src/main/webapp/WEB-INF/web.xml
Merge branch 'feature/across-space' of github.com:exodev/social into feature/across-space
Merge branch 'master' into feature/across-space
COMMONS-190:  change all versions in all projects to use : 4.0.0.Alpha1-unified-search-SNAPSHOT
COMMONS-190 - maven versions change
Merge remote-tracking branch 'origin/master' into feature/unified-search
Merge branch 'master' into feature/across-space
Merge branch 'master' into feature/unified-search
Merge branch 'master' into feature/unified-search

Conflicts:
	pom.xml
Merge branch 'master' into feature/unified-search

Conflicts:
	pom.xml
Merge branch 'master' into feature/across-space
SOC-2850 | REST Service get the 10 latest viewed spaces per user- allows greater than min limit
Merge branch 'master' into feature/across-space
Merge branch 'master' into feature/unified-search

Conflicts:
	component/common/pom.xml
	component/core/pom.xml
	component/opensocial/pom.xml
	component/pom.xml
	component/service/pom.xml
	component/webui/pom.xml
	config/pom.xml
	extension/config/pom.xml
	extension/jar/pom.xml
	extension/pom.xml
	extension/war/pom.xml
	extras/feedmash/pom.xml
	extras/injection/pom.xml
	extras/link-composer-plugin/pom.xml
	extras/migration/pom.xml
	extras/pom.xml
	extras/samples/pom.xml
	extras/widget/pom.xml
	extras/widget/resources/pom.xml
	extras/widget/rest/pom.xml
	pom.xml
	webapp/opensocial/pom.xml
	webapp/pom.xml
	webapp/portlet/pom.xml
	webapp/resources/pom.xml
Add PeopleSearchConnector + UT + minor changes
Add SpaceSearchConnector + UT + minor changes
Fix some UT failure
Fix some UT failure
Prepare sorting
Use Sorting in filters