Text input with autocomplete for users/groups at permissions/group members

• @dboehmer: HTTP-API for getting suggestions

  GET http://coocook/autocomplete/users?search=foo

[
  {
    name:         "john_doe", // unique
    display_name: "John Doe"
  },
]

GET http://coocook/autocomplete/organizations_users?search=foo

[
  {
    type:         "user" || "organization",
    name:         "john_doe", // unique
    display_name: "John Doe"
  },
  ...
]

• http://localhost:3000/organization/TestData/members users only
• http://localhost:3000/project/1/Test-Project/permissions organizations and users
• ignore parameter supported in API
• test for case sensitivity
• sort order
• @kuro610 pass existing users/organizations to autocomplete API
• implement exclude of existing users/organizations in API
• reject search patterns and ignore names with invalid characters
  • in client
  • in server
• implement case insensitivity
• define limitation of number of rows returned, implement
• decide if we want to implement word split (foo b→splits to foo+b and matches foo bar or bar foo)