Fix of FIXME in getRequiredAttributes(List<Service>, Resource) in AttributesManager
 - Added method getRequiredAttributes(resource, List<Service>) in AttributesManagerBl
 - Added method getRequiredAttributes(resource, List<Service> serviceIds) in AttributesManagerImpl

 - Added test for getRequiresAttributes(sess, List<Service>, resource)
table pwdreset & sequence & index & constraints & privileges
 version of DB
Merge pull request #330 from zoraseb/ver_3.1.10

table pwdreset & sequence & index & constraints & privileges
GUI: do not display "null" in user and member tables for attributes

- Display empty string instead of "null" in user and member
  tables in GUI to look more pleasant.
Merge pull request #331 from zlamalp/gui

GUI: do not display "null" in user and member tables for attributes
SERVICES: fixes location of ldap scripts

- fixed reference to ldap sort and diff scripts, since when
  propagated, working directory is not same as perun script location.
Merge pull request #332 from zlamalp/ldap

SERVICES: fixes location of ldap scripts
GUI: fixed access to non-authz password reset
Merge pull request #333 from zlamalp/reset

GUI: fixed access to non-authz password reset
Service voms - propagate only valid members

Only members in valid state is propagated to VOMS.

Until this patch, all members regardless on their status was propageted
to VOMS. Therefore member can obtain valid VOMS credential from VOMS
server even if he was expired or suspended in Perun.
Switch group synchronizer flag to false in case of error.
Merge pull request #338 from tauceti2/groupSynchronizerFix

Switch group synchronizer flag to false in case of error.
Merge branch 'requiredAttrs' of https://github.com/papperwing/perun into kubaTask03-requiredAttrs
Fix typo and make test more complex
Merge pull request #339 from stavamichal/kubaTask03-requiredAttrs

Kuba task03 required attrs
Fix wrong data type in NotifTemplate.pm

Method getPrimaryProperties returns reference to hash not hash.

This bug caused trouble during (runtime) compilation of identity
consolidator. So when someone tries to consolidate identities he obtain
500 internal server error.
Notifications: Added additional javadoc.
Merge pull request #340 from jirmauritz/notification_1.1

Notifications: Added additional javadoc.
Fix of setting large value into entityless attribute
Merge pull request #341 from stavamichal/entityless_large_attribute_value_fix

Fix of setting large value into entityless attribute