add draggable sorting, fix groupsService analyzer assignment

beat/web/reports/static/reports/app/app.js

.../reports/static/reports/app/directives/groupPanelItems.js

...b/reports/static/reports/app/directives/groupTableItem.js

...eb/reports/static/reports/app/directives/groupTextItem.js

...web/reports/static/reports/app/directives/groupsLayout.js

.../web/reports/static/reports/app/services/groupsService.js

beat/web/reports/templates/reports/report.html

buildout.cfg