PREF: Disable SSL cert validation

PREF: Disable SSL cert validation

The following exception is occurred when connecting https site:
 com.sun.jersey.api.client.ClientHandlerException:
  javax.net.ssl.SSLHandshakeException:
   sun.security.validator.ValidatorException:
    PKIX path building failed:
     sun.security.provider.certpath.SunCertPathBuilderException:
      unable to find valid certification path to requested target
This solution is temporary and can be changed.

Signed-off-by: donghyuk.yang <donghyuk.yang@samsung.com>
Change-Id: I5210afa2a74c41872c2be376675c3a724204db7e