TASK: Replace obsoleted tokens used in legacy templates

[johnhenley]

Template Token: [FORUMICONSM] is obsolete. Replace with [FORUM:FORUMICONCSS|<i class="fa {0} fa-fw"></i>&nbsp;&nbsp;].

Template Token: [FORUMICON] is obsolete. Replace with [FORUM:FORUMICON|<img src="{0}" alt="[FORUM:FORUMNAME]" />].

Template Token: [FORUMDESCRIPTION] is obsolete. Replace with [FORUM:FORUMDESCRIPTION|<i class="fa fa-file-o fa-grey"></i>&nbsp;{0}].

Template Token: [FORUMNAME] is obsolete. Replace with [FORUM:FORUMLINK|<a href="{0}" class="dcf-forum-link">[FORUM:FORUMNAME]</a>].

Template Token: [LASTPOSTSUBJECT is obsolete. Replace with [FORUM:LASTPOSTSUBJECT.

Template Token: [LASTPOSTDATE] is obsolete. Replace with [FORUM:LASTPOSTDATE].

Template Token: [TOTALTOPICS] is obsolete. Replace with [FORUM:TOTALTOPICS].

Template Token: [TOTALREPLIES] is obsolete. Replace with [FORUM:TOTALREPLIES].

Template Token: [GROUPNAME] is obsolete. Replace with [FORUMGROUP:FORUMGROUPLINK|<a href="{0}" class="dcf-forumgroup-link">[FORUMGROUP:GROUPNAME]</a>].

Template Token: [GROUPCOLLAPSE] is obsolete. Replace with [FORUMGROUP:GROUPCOLLAPSE].