signing all jars during build

Signed-off-by: Natalia Bartol <natalia.b@zend.com>
ZSTD-3924 [openshift] Cannot create a target with zend-6.1 cartridge
ZSTD-4085 [openshift] Add information about application name in Zend
Server credentials dialog
Merge pull request #5 from zendtech/wojtek_master

ZSTD-3924 and ZSTD-4085
ZSTD-4085 [openshift] Add information about application name in Zend
Server credentials dialog
ZSTD-4085 [openshift] Add information about application name in Zend
Server credentials dialog
Merge pull request #6 from zendtech/wojtek_master

ZSTD-4085 [openshift] Add information about application name in Zend Server credentials dialog
ZSTD-4090 [openshift] Make cartridge combo box read-only
ZSTD-3776 [OpenShift, regression] A screen with DB credential/parameters
is not displayed to the user.
ZSTD-4092 [openshift] Add support for creating targets with MySQL 5.5
Merge pull request #7 from zendtech/wojtek_master

OpenShift bug fixes
ZSTD-4092 [openshift] Add support for creating targets with MySQL 5.5
ZSTD-4085 [openshift] Add information about application name in Zend
Server credentials dialog
ZSTD-4095 [regression] Try to create a target for a fresh openshift
account (no domain yet) - MySQL combo box is empty
ZSTD-2985 Add logging to WebAPI client
ZSTD-3327 [openshift, usability] although you changed invalid target
name to a valid one, you still get a validation error message
ZSTD-2297 [OpenShift] Default Server is not updated deploying an app to
openshift which was already deployed on phpcloud
ZSTD-3974 You get " Currently displayed page contains invalid values" in
Debug Mode page
ZSTD-3976 Application name is not suggested in Application URL field
when you add the first target
ZSTD-3897 Error message in "Add Phpcloud target" wizard does not
disappear after generating SSH Private Key.
Always return non-null server base URL value