Merge branch 'spacing-fix' into 'master'

add missing space

From

> Restrict commits by author(email) to existing GitLab users

to

> Restrict commits by author (email) to existing GitLab users

See merge request !17

app/views/shared/_git_hooks_form.html.haml

@@ -15,7 +15,7 @@
         = f.check_box :member_check
         %strong
           Check whether author is a GitLab user
-        .help-block Restrict commits by author(email) to existing GitLab users
+        .help-block Restrict commits by author (email) to existing GitLab users
 
 .form-group
   = f.label :commit_message_regex, "Commit message", class: 'control-label'