social-icons : set icons in Params.socialIcons

* so that it can be accessible to other modes

usage : in config
 params:
  socialIcons:
   - name: "<platform>"
     url: : "<link>"

ref : f852d06923

layouts/partials/indexProfile.html

@@ -7,7 +7,7 @@
         {{end}}
         <h1>{{ if .Site.Params.profileMode.title }}{{.Site.Params.profileMode.title}}{{ else }}{{ .Site.Title }}{{end}}
         </h1>
-        {{- with .Site.Params.profileMode.socialIcons }}
+        {{- with .Site.Params.socialIcons }}
         <div class="social-icons">
             {{ partial "social-icons.html" . }}
         </div>