JBPM-4380 Add a "description" column in process instance list and tas…

…k list

          1 translations process instance desciprtion:
	     Translations file from name:#{uploader_name}(Email:#{uploader_mail})
          2 evaluation process instance desciprtion:
	     Evaluation Process for employee: #{employee}
          3 hiring process instance desciprtion:
	     Candidate Name:#{name}
          4 custom  process instance desciprtion:
	     Customer phone number is #{customer_phone}
          5 purchases process instance desciprtion:
	     This is purchases process