Bumped version to 1.5.0.pre
Added tests for DulHydra::DescriptiveMetadataTable
Removed 1.4 upgrade tasks and related tests
Closes #657
Closes #658

Closes #731
Closes #732
Keep empty spec/tasks directory
Merge pull request #769 from duke-libraries/metadata-table-tests

Added tests for DulHydra::DescriptiveMetadataTable
Merge pull request #770 from duke-libraries/issues-657-658

Removed 1.4 upgrade tasks and related tests
Removed unused set_initial_permissions! method
Merge pull request #773 from duke-libraries/rem-set-initial-permissions-bang

Removed unused set_initial_permissions! method
Merge branch 'release-1.4' into develop
Merge branch 'hotfix-1.4.1' into develop
A major refactoring of controllers.  The ObjectsController has been decomposed into modules and mixed in to separate controllers for each repository model.  Routes have been reworked accordingly.  Test coverage has increased.
Merge pull request #800 from duke-libraries/object-controller-refactor

A major refactoring of controllers.  The ObjectsController has been deco...
Thumbnails have their own route (fixes #804)
Merge pull request #805 from duke-libraries/804-thumbnail-url

Thumbnails have their own route (fixes #804)
Merge branch 'hotfix-1.4.2' into develop
Merge branch 'develop' of github.com:duke-libraries/dul-hydra into develop
Merge branch 'hotfix-1.4.3' into develop

Conflicts:
	lib/dul_hydra/version.rb
Merge branch 'hotfix-1.4.4' into develop
Upgrade dul-hydra to hydra-head 7.0
Merge pull request #819 from duke-libraries/hydra-head-7

Upgrade dul-hydra to hydra-head 7.0
Merge branch 'hotfix-1.4.5' into develop