Added a proper (temporary) icon for the application.

Still working on the 16x16px one.
Finalized the 16x16 icon, yay!

After a lot of group discussion on the IRC, I've settled on the 4th one
seen here: http://i.imgur.com/1rGBV1m.png
Also made the 32x32 just a liiitle bit sharper.
Added a simple Settings dialog window
Fixed a typo in INSTALL.md
Merge pull request #20 from ragesalmon/master

Fixed a typo in INSTALL.md
Bootstrap modified list of DHT servers after accepting settings changes
Merge pull request #17 from rbndelrio/master

Added a proper (temporary) icon for the application.
Excluded icon.ico from Fatcow's license notice
Set application icon to icon.ico on Widonws
Fixed typo (Thank you Alek900)
Return from editing mode when Esc is pressed
Added setting page and information about storing and encrypting logs