Added page copy action to admin
Merge branch 'master' into page-copy-ui

Conflicts:
	wagtail/wagtailadmin/views/pages.py
Set owner of copied pages to the user who copied them
Added option to copy form to publish copied pages. This is not displayed to users without publish permissions.
Merge remote-tracking branch 'torchbox/master' into page-copy-ui

Conflicts:
	wagtail/wagtailadmin/forms.py
Merge branch 'page-copy-ui' of https://github.com/kaedroho/wagtail into kaedroho-page-copy-ui

Conflicts:
	wagtail/wagtailadmin/tests/test_pages_views.py
Hide the 'publish copies' checkbox if there is nothing to publish
Pass 'page' to the constructor of CopyForm, so that we can define a slug validation method there rather than pushing one in from the view
get CopyForm to set its own initial values so that we don't have to pass them in
Validate the slug field in CopyForm against invalid characters
Move the 'should we offer the copy_subpages checkbox or not' logic into CopyForm itself. This also allows us to move the help text into the actual help_text property, which fixes the dodgy spacing on the form field
Submit button on copy page should not say 'yes', because the form is not presented as an 'are you sure?' confirmation message
Move the 'should we display the publish_copies checkbox' logic into CopyForm
Customise the label and help text of the 'publish copies' field when there are no subpages
Fix translations and pluralisation within CopyForm
Merge pull request #380 from kaedroho/page-copy-ui

Added page copy action to admin