store_annotations revised to choose divs properly during alignment.
Merge branch 'development'
Merge branch 'development'
Fixed annotation link javascript in docs#spans
Merge branch 'development'
Merge branch 'development'
debugging message removed.
single project specification in argument added.
Fixed docs@spans
Added rspec option
Added namespaces to projects and parsed namespaces to projects.json
Added spans selection js (include a bug needs filxing)
Fixed span select url (selected range needs fixing)
Fixed span select javascript
Merge branch 'working' into development

Conflicts:
	app/views/docs/_content.html.erb
Added rspec option
Added create notices when project.save_annotation_zip fail

- rake db:migrate required
- delete failed delayed_jobs
- enable to show notices and delete for project.owner and root user
Revised project_annotations_zip_link_helper

- show project annotation zip download button or not available message when current_user is not project.user
Revised annotations#create to exec by delayed_job when post json
Merge branch 'working' of https://github.com/pubannotation/pubannotation into working

Conflicts:
	app/views/docs/_content.html.erb
	db/schema.rb