update interface mockup and refactor code
renaming and packing
remove no longer needed hack
Geohash logic refactoring
use 30W Time Zone Rule
Downloader is now caching requests
some refactoring
proper handling of W30 rule, switch to joda time

it is nice to discover that not only I think that default calendar class is awful
removal of unnecessary final qualifiers
better comment
refactoring, globalhash handling, W30 rule bugfix, tests
smarter caching

it is now recognising that multiple threads requested the same URL, it will be fetched only once - not multiple times as before
fix weird inheritance
fix bug (longitude was using latitude value)
add this.
show distance in geohash info field
lowering duplication
code reformatting
fix ifs without braces
accept inspection suggestions