fixes #4519 Cannot set image to null on existing contents
Fixes #4554
fixes #4520 Vanity URLs redirect to a directory name fail
#4401
#4400
#4404
fixes #4475 Delete option is not in the options of archived content
fixes #4470 need css help to the add new host window on IE10
Merge pull request #4571 from dotCMS/issue-4519-can-not-set-image-to-null-on-existing-contents

fixes #4519 Cannot set image to null on existing contents
Merge pull request #4572 from dotCMS/issue-4554-Error-trying-to-upload-dynamic-plugins

Fixes #4554
#4574 improved query
Merge pull request #4586 from dotCMS/issue-4520-vanity-URLs-redirect-to-a-directory-name-fail

fixes #4520 Vanity URLs redirect to a directory name fail
Merge pull request #4588 from dotCMS/issue-4401-edit-multilingual-content-from-workflow-portlet

#4401
#4590 using concurrent map
Merge pull request #4597 from dotCMS/issue-4475-delete-option-is-not-in-the-options-of-archived-content

fixes #4475 Delete option is not in the options of archived content
Merge pull request #4598 from dotCMS/issue-4470-need-css-help-to-the-add-new-host-window-on-IE10

fixes #4470 need css help to the add new host window on IE10
Merge pull request #4592 from dotCMS/issue-4400-workflow-tasks-reset-assignedto-field

#4400
Merge pull request #4594 from dotCMS/issue-4404-structure-name-max-length

#4404
Merge branch 'master' of github.com:dotCMS/dotCMS
#4578 avoid hibernate join on inode