[#920] Handle empty values
Merge pull request #921 from akvo/issue/920-split-values

[#920] Handle empty values
[#805] Check that the project to be copied actually exist.
[#805] Merge branch 'feature/805-project-structure' of https://github.com/akvo/akvo-flow into feature/805-project-structure
Merge pull request #916 from akvo/feature/805-project-structure

Feature/805 project structure
Merge pull request #927 from akvo/feature/805-project-structure

[#805] Small fix: cursor default on folder:hover
[#805] Show day of month instead of day of week
[#805] Terminology change: Project => Survey
[#805] sort list of surveys/folders in such a way that new surveys/folders bubble to the top
[#805] Translation keys