comment stylistic changes

[smil1201]

Depending on customer preference it may be better for the buttons on each comment to remain after hovering, currently they are revealed by hover only. This is a small debatable thing that can easily resolved based on whatever the customer would like. Additionally, it would be nice to shorten the time-stamps to a more concise/immediately understandable format. Lastly, the dialogue that pops up to receive user input for comments or responses could have prompt text that is more appropriate/informative than "localhost:9000 says:"