Move (most of) droolsjbpm\kie-uberfire-extensions to uberfire\uberfire-extensions
Update README.md
BZ-1163826 - Social: 'new repository' event doesn't show in Latest Changes

(cherry picked from commit 0f855a6ba93929905e4c0f08ce472a069760332d)
BZ-1167630 - Repositroy structure screen should be opened when 'new repositroy event' is clicked on social screen

(cherry picked from commit 4b660afd061c6002110ee178feb51f57da35d6e4)

Conflicts:
	kie-uberfire-social-activities/kie-uberfire-social-activities-client/pom.xml
Social events for OrganizationalUnits I
Social events for OrganizationalUnits II
Social Events for project creation

(cherry picked from commit c8750796dd7079e2c7448171b0d0d8fab1ca82b1)