Merging  user.core-4.2.0-patch0009, Fixing https://wso2.org/jira/browse/CARBON-14859
optimizing imports
fix for CARBON-14858
Fixing CApp deployment issue
Updating Kernel to use Hazelcast 3.2.3.wso2v1
fix the issue : Receiving two email notification
Fixing CARBON-14914
Fixing CARBON-14914 making TenantStatusListener private.
Fixing CARBON-14914 reverting making TenantStatusListener private.
Fixing REGISTRY-2262
resolved https://wso2.org/jira/browse/CARBON-14916
Porting fix done for CARBON-14838 to Git
Fixing CARBON-14914 reverting making TenantStatusListener private.
[fixed]CARBON-14785, redirection issue due to root context
CARBON-14594, Fixed the broken doc link for Carbon 4.2.0
CARBON-14792, Intermittent error occues in resourceURI when CarbonWebContext change
Fixing checkin client dump issue
Merge pull request #59 from sameerak/master

fix for CARBON-14858
Clean the fix by removing commented out old code
Merge branch 'ajithnv-master'