Merge pull request #242 from zlamalp/fac_setting

GUI: UX for facility administration
Merge pull request #238 from jirmauritz/servicePackages

Core: fixed wrong exception in addServiceToPackage
Merge pull request #237 from jirmauritz/checkAttribute

Core: fixed checkAttribute[s] for VOs
Merge pull request #243 from zlamalp/assign

GUI: custom error message on AddServiceToServicesPackage
Merge pull request #233 from zlamalp/exception

GUI: custom exception handling
Merge pull request #244 from zlamalp/captcha

GUI: allow to use custom re-captcha public key