translations update (bitcoinstrings.cpp + bitcoin_en.ts)
Merge pull request #2283 from Diapolo/translations

translations update (bitcoinstrings.cpp + bitcoin_en.ts)
remove outdated windows Qt build instructions
Merge pull request #2314 from laanwj/2013_01_remove_outdated_buildinst

remove outdated QT windows build instructions
Improve block database load error reporting
Merge pull request #2315 from sipa/loaderror

Improve block database load error reporting
Merge pull request #2311 from gavinandresen/master

Pass compiler flags to leveldb make