Merge pull request #185 from zlamalp/fix

GUI: fixed adding exec service dependency
Merge pull request #186 from zlamalp/appform

GUI: fixed case when username form item has no attribute assigned
Merge pull request #188 from zlamalp/gwt25

GUI: revert back to gwt25 on production
Merge pull request #187 from jirmauritz/getAssignedResources

Core + RPC: New method getAssignedResources.
Fix typo in checkAttributesDependencies

- wrong variable use
All changes from 'master' to 'production'