Removed Visual Studio standard icons, added screenshots
Added screenshots (three of each resolution)
Fixed a few Code Analysis warnings
Merge branch 'master' of github.com:lucaswerkmeister/wp_geohashing
Clear geohash if getting it fails - fixes #7
Added logos.

Original image: http://wiki.xkcd.com/geohashing/File:Landgeohash.png
SVG version by wiki User:Herrmann (on http://wiki.xkcd.com/geohashing/File_talk:Landgeohash.png)
Used with permission: http://wiki.xkcd.com/geohashing/User_talk:Hermann#SVG_Logo