Merge pull request #29 from morganzhu/master

Additional icons
Update index.html
added Web Clip files
Update index.html
Update index.html

Changed instructions to copy only country/state/city from yr URL (yr has localisation so some URLs are different .
http://m.yr.no/sted/Danmark/Hovedstaden/Hellerup/
vs
http://m.yr.no/place/Danmark/Hovedstaden/Hellerup/
Update style.css
Force Safari to refresh every 30 minutes, retry after 5 minutes if a update fails
Merge pull request #35 from Nawuko/master

Force safari to refresh
Update README.md
Update README.md
new icons and blue wallpaper
removed unused css
optimised wallpapers
code cleanup and added the translucent classes
updated margins and width to look good with translucent option
added backgroundoption toggle
Delete unused css
forget to readd the color
LS: Default white font color
LS: Add translucent (WIP)