translations update (bitcoinstrings.cpp + bitcoin_en.ts)
Do not use C++11 std::vector.data()

std::vector.data() is a C++11 feature that makes my OSX build machine unhappy.
Use QImage.bits instead of QImage.constBits to ease backporting

Image.constBits was introduced in Qt 4.7.  Should be ok here to use
QImage.bits which allows linking against the Qt in Squeeze.
Merge pull request #2289 from laanwj/201301_qimage_bits

Use QImage.bits instead of QImage.constBits to ease backporting
Add script to clean up datadirs
Some improvements to the release notes
Merge pull request #2297 from sipa/notes

Some improvements to the release notes
Merge pull request #2295 from sipa/tidydir

Add script to clean up datadirs
Merge pull request #2286 from gavinandresen/fix2285

Do not use C++11 std::vector.data()
Merge branch 'release-0.1.2'
[build] minor: re-enabled non-stable warning.
Merge branch 'dev-0.1.2' into release-0.1.2
Merge branch 'release-0.1.2'
[build] remove dev warning on stable builds.
[build] installer: first innoSetup installer script.

 - provides a simple way for endusers to register terracoin: URI handler.
[tests] fix: CTerracoinSecret data type.
[core] transaction,notifier: posted data now signed.

 - first http notification for a given transaction now include a new
   json document, providing message signature for the first json
   document.
 - json transaction data is signed using the existing signmessage()
   function (ECDSA), so any remote client may verify signature, without
   the need for extra keys/data.
 - https://github.com/terracoin/terracoin/wiki/TransactionNotifier
   should be updated soon.
[core] transaction,notifier,fix: missing closing bracket.
[sample] python,signature,verify: sample python script.

 - sample python script for verifying terracoin-signed messages.
[sample] minor,cleanup: malformed sample data.