error handling when creating deposition
Merge remote-tracking branch 'zenodo/next-github' into next-github

Conflicts:
	zenodo/modules/github/views/github.py
Receiver fixes
break up create deposition into smaller functions
github: account settings view
bug fixes in create deposition task
render error on gh page
create url to deposition when metadata not complete
generic missing metadata feedback
add doi relations when able
minor style fix on doi time
Merge remote-tracking branch 'amit/next-github' into next-github

Conflicts:
	zenodo/modules/github/templates/github/index_base.html
github: PEP8 formatting
github: fix up templateas