Fixed validations, nothing critical.
Added network hashrate info on debug screen
- Updated gitian files
- Added checkpoint
Fixes issue #3
- Fixed paths in NSIS script
- Changed alert keys
- Bumped client version
- Fixed UPNP compilation with mingw
- Updated image of splash screen
- Fixed git command on version.cpp
Merge pull request #4 from kR105/master

update with upstream changes