fixed permissions on phone attributes
  - fixed search_results to show phones for non-person results and to check permissions on person results
  - fixed contact_info partial used by People#show page to use PersonPolicy to check phone access permissions

DIR-81 and DIR-82
removed unused WhatAUserCanSee concern. it was replaced by methods in PersonPolicy
Merge pull request #20 from biola/fix_phone_permissions

Looks good!