Merge pull request #571 from emorency/working-stack

OPAL-2470: separate iniUrl and setIsIdentifiers
Maven 3.0 required
Add sonar plugin
Catch Exception in Filter outside of RestEasy
OPAL-2523 - the server error is not always in JSON, build a unhandled exception error with server error included
Merge pull request #572 from kazoompa/bug-OPAL-2523

OPAL-2523 - the server error is not always in JSON, build a unhandled ex...
Merge pull request #573 from emorency/working-stack

OPAL-2521: By default, OpalSimplePager does not show "Total N" badge.
OPAL-2520 - added back the POST method
Merge pull request #574 from kazoompa/bug-OPAL-2520

OPAL-2520 - added back the POST method
Whit colors for icons in input-append and input-prepend and dropdown arrow
Merge pull request #575 from emorency/master

White colors for icons in input-append and input-prepend and dropdown arrow
OPAL-2524: Align "Remove all permissions" to the left so it does not conflicts with the table pager
Merge pull request #576 from emorency/master

OPAL-2524: Align "Remove all permissions" to the left so it does not con...
UserManagementPythonCommand - updated user.py and added certificate capability
Merge pull request #577 from kazoompa/UserManagementPythonCommand

UserManagementPythonCommand - updated user.py and added certificate capability
Fix missing env variables for Windows
Close tempFile stream before we delete it
Never shutdown CacheManager on SessionFactory close
OPAL-2454: Check number of datasources before showing "Copy Data" modal.