handle error if report data or report for field is not provided
[issue# 3] UI: toggle design view
align criteria dropdowns correctly
[issue# 6] show generic names
1. do not show pk
2. do not show fk
3. show simplified names like for session_id show session id
Merge branch 'dev' into issue_6_generic_names
escape regex dot character and put it first
add requirements.txt file for all required packages for qbe
Merge branch 'dev' into issue_10_custom_design

Conflicts:
	qbe/templates/qbeapp/design.html
	qbeapp/static/qbeapp/css/style.css