Updated installer readme file to refer installation guide wiki page
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Fix chown issue for PHP Cartridge
Fix copyright year
Removed unnecessary license file
Removed unnecessary license file
Updated LICENSE to mention latest ActiveMQ jars
changing cep extension verison to 4.0.0-SNAPSHOT
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Introduced an event publisher pool to avoid large number of connections  being created to message broker
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Fixed CloudControllerDSComponent header comment
jclouds fork version updated

Signed-off-by: Imesh Gunaratne <imesh@apache.org>
Updated stratos version in stratos installer to 4.0.0-incubating
Updated carbon.ui pom.xml and removed plugin repositories
Reverted stratos artifact version to 4.0.0-SNAPSHOT
Added apache staging repository to root pom.xml
Added apache distribution management repository to carbon ui fork
Changed parent of carbon ui pom to stratos dependents to avoid referring carbon parent
Artifact version changed to 4.0.0-SNAPSHOT