CLOUDSTACK-7886: cloudstackoperations like deployvm,deleteNW are failing if CS fail to contact rabbit mq server. This is happening in case of Async API calls.

Signed-off-by: Koushik Das <koushik@apache.org>
CLOUDSTACK-3383: Fetch CPU utilization more reliable.

This should fix that we can't gather CPU statistics on hypervisors
> Ubuntu 12.04
CLOUDSTACK-7583: Fix NPE caused by previous commit
CLOUDSTACK-7566:Many jobs getting stuck in pending state and cloud is unusable.

(cherry picked from commit a2d85c8cae5f603bbcfcd3659c1207f0bfe461a7)

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Conflicts:
	framework/jobs/src/org/apache/cloudstack/framework/jobs/impl/AsyncJobManagerImpl.java
CLOUDSTACK-7645: UI: Fix method for extending dictionary

Instead of mapping both dictionary JSP files to separate objects, extend
dictionary2's object onto single 'dictionary' object.

-- The previous approach was causing issues on certain dialogs, which were not
opening due to possible missing labels.
CLOUDSTACK-7590 Deletion of Account is not deleting the account from the database

Revert "CLOUDSTACK-7073: Added domainId field to the user table in order to restrict duplicated users creation on the db level"

This reverts commit 5a96d8ef5cbc88df366016ae9dd7ee46e4ca417a.

Conflicts:
	setup/db/db/schema-440to450.sql
Added a "long getUsedIops(StoragePool)" method to the PrimaryDataStoreDriver interface