Don't warn about forks while fIsInitialDownload
Add protobuf 2.5.0 download to gitian release process
Qt 4.8.3 r2 in gitian and release process

Also needed to add `unzip` package for the added unzip command for
OpenSSL in the Qt build.
autotools: switch to autotools buildsystem
Bitcoin-Qt: Use qDebug() for printing to debug.log

- removes all usages of PrintDebugStringF from Qt code
- ensure same format for all debug.log messages "functionname : Message"
qt: add vout index to transaction id in transactions details dialog
Merge pull request #2973 from Diapolo/qDebug

Bitcoin-Qt: Use qDebug() for printing to debug.log
Merge pull request #2976 from laanwj/2013_09_txid_details

qt: add vout index to transaction id in transactions details dialog
Merge pull request #2943 from theuni/autotools-final

Autotools buildsystem
configure.ac: remove superfluous bracket

Reported-by: Cory Fields
Merge pull request #2977 from laanwj/2013_09_release_process_protobuf

Add protobuf 2.5.0 download to gitian release process
Merge pull request #2968 from TheBlueMatt/master

Don't warn about forks while fIsInitialDownload