[Weather Icons] Add more weather icons based on NOAA data

I have recently been using the NOAA API to pull weather information to my website. I integrated these icons to replace the corny old images they have. Honestly, you will see how outdated they are. Some however, I noticed did not have matching icons. Of course, I was able to match up the "Fair" with `wi-day-sunny`, but if you look at the list, there is no "Smoke," "Dust," or anything "In the Vicinity." From what NOAA I have seen in my site, NOAA uses all of the images appropriately. <b>I only looked at the Daytime images and their matches.</b>Also notice a Zip download at the top. I have not tried it, but it will make downloading them easier if you need to. The NOAA Image Database (quite short really): http://w1.weather.gov/xml/current_obs/weather.php The Daytime icons are on the left and the nighttime ones are on the right. If the icon is only on the left, then there is no day/night specification. Don't worry about matching the URLs to the icons. <b>All I'm trying to do here is sugg