docs(guide/ie): fix typo

Closes #5006
docs(guide/directive): use `hideDialog` handler in example

The handler is in the controller but was not being used in the template.

Closes #5020
docs(ngPluralize): Fix missing space before parentheses

There should be a space between "braces" and "(`{}`)"

Closes #5026
docs(ngRepeat): fix typo

Replace "ian" in "in"

Closes #5027