Wind symbols introduces (partially)
Changed icons.
Optimized icon drawing for rain + lighting + snow together.
Added icons for particular snow.
Draw text functions for top right and bottom left in Forecast image with
map.
drawLocation() called as last draw method in order to draw the location
above anything else in the forecast and situation map.

Fixed LocationClient update problem (at startup) by using
getLastKnownLocation inside onConnected.
Corrected name in LatLngCalculator: Cividale -> Cividale d.F.
Fixed forecast hint toast and enabled also for today tomorrow and two
days.

Changed download status into singleton in order to store the download
state while the process is alive (preserve state through orientation
changes and application lifecycle changes)
Removed Log.e's.
Updated version code and name to alpha 0.3