Update topic.tpl

Add hr line after topic title.
Merge pull request #21 from a5mith/patch-1

Update topic.tpl
lock delete icons
Merge branch 'master' of https://github.com/NodeBB/nodebb-theme-lavender
0.0.62
moved hr inside so it doesnt show up in new posts
0.0.63
Merge branch 'master' of https://github.com/NodeBB/nodebb-theme-lavender