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
ability to disable reputation system
0.0.64
potential fix for masonry blowing up widgets on mobile
0.0.65
container for overlay buttons
0.0.66
popular tpl
0.0.67
group label wordwrap
0.0.68
Add usernames under avatars

As discussed in [this](https://community.nodebb.org/topic/2019/changing-template-file-with-a-plugin) topic, usernames should ideally be on the left, I have purposefully left the username class empty, so either we can come up with a solution to long usernames, or people can decide how they want it to appear, or not at all. 

You can see this in action [here](http://35hz.co.uk/topic/423/good-sci-fi-series). Feel free to improve on this if needed. :)
Update package.json
Merge pull request #24 from a5mith/patch-2

Add usernames under avatars