Updated installation profile to 7.x-2.0-beta7
PT-784 - Added the Shunt module
PT-846 - Updated the path to the Petitions API endpoint

	modified:   UPDATE.txt
	modified:   build-petitions.make
	modified:   modules/custom/api_petitions/api_petitions.module
	modified:   modules/custom/api_petitions/example_implementations/javascript/thermometer/README.md
	modified:   modules/custom/api_petitions/example_implementations/javascript/thermometer/index.html
	modified:   modules/custom/api_responses/api_responses.module
	modified:   modules/custom/api_users/api_users.module
	modified:   modules/custom/petitions_stats_users/petitions_stats_users.module
	modified:   modules/features/petitions_api/petitions_api.services.inc