added code for complaint report
Merge branch 'usage1' into complaint_report
updated code for complaint report
updated code for complaint report
Merge branch 'usage1' of github.com:StrataLabs/service_desk into usage1
Merge branch 'master' into usage1
Merge branch 'usage1' into complaint_report
Merge branch 'master' into complaint_report
updated specs for ticket concerns
added a condition for calculating time spent in at last state of ticket, and updated target tat call in tat report
Merge branch 'master' into complaint_report
Merge branch 'master' into complaint_report

Conflicts:
	app/models/concerns/ticket/computed_report_helper_methods.rb
	spec/models/ticket_spec.rb
Merge pull request #20 from StrataLabs/complaint_report

Complaint report