Remove unneeded .pro file.
Better version strings.
Fix inconsistencies with the spelling of license
Merge pull request #33 from kbillings/license-spelling

Fix inconsistencies with the spelling of license
Peers have IDs to solve duplicate peers issue.
No post-mine state visible in advance.
Additional parts of protocol no longer optional.
Protocol version bump.
Various GUI improvements.
Better (more dynamic) and more correct handling of fee structure.
Merge branch 'master' of github.com:ethereum/cpp-ethereum
Fixes #21.
Minor README fix.
Bump protocol version.
More UI power.
Reduce default log level.