Extend about pages
Add pages for r2ddi an soepR
Update r2ddi
Update imports/index
Update questions.csv description
Clean up and prepare setup.markdown
Add gems.markdown
Add contact and legal details
Add description column in questions
Add logical_variable to questions.csv
Update questions_csv:number
Update _config
Merge branch 'master' into gh-pages

Conflicts:
	_config.yml
Minor update on user_guide
Update questions_csv.markdown

Add value lists and ranges for filters
Update questions_csv.markdown

forgotten backticks
Update questions_csv.markdown
Update _config
Use data to generate the list of imports
Upate list of imports and exports