the routine for getting annotation collection in json revised.
Modified docs#spans

- modified json format
- modified txt format
- renamed context_window params to context_size
Added cdv format in docs#spans and modified annotations#annotaitons view
Fixed view and spec

- modified docs#spans json view begin, end to int
- fixed docs#spans spec for text,csv
Fixed spec for annotations#annotations
Added project_denoations in annotations#annotation.json

- enabled to refine projects by project name
Fixed docs#annotations.json
Fixed project scope not_name_in to name_in
Added Backup gem and config files
Added whenever gem and schedule.rb
Modified annotatons#annotations :target path when doc.has_divs? == true
Modified docs#spans csv format
Deleted unnecessary file backup.rb
Merge branch 'working' into development

Conflicts:
	app/helpers/annotations_helper.rb
anncollection spec revised to reflect move of its functin to the annotations controller.