README: fix requirements to refer to Go >= 1.2

Author: niemeyer

README.md

@@ -43,7 +43,7 @@ Installation
 
 To try the alpha release you'll need:
 
-  * Go 1.2, for the C++ support of _go build_
+  * Go >= 1.2, for the C++ support of _go build_
   * Qt 5.0.X or 5.1.X with the development files
   * The Qt headers qmetaobject_p.h and qmetaobjectbuilder_p.h, for the dynamic meta object support
 
@@ -63,15 +63,15 @@ If you are using Ubuntu, the [Ubuntu SDK](http://developer.ubuntu.com/get-starte
     $ sudo apt-get update
     $ sudo apt-get install qtdeclarative5-dev qtbase5-private-dev qtdeclarative5-private-dev libqt5opengl5-dev qtdeclarative5-qtquick2-plugin
 
-and Go 1.2 may be installed using [godeb](http://blog.labix.org/2013/06/15/in-flight-deb-packages-of-go):
+and Go >= 1.2 may be installed using [godeb](http://blog.labix.org/2013/06/15/in-flight-deb-packages-of-go):
 
     $ # Pick the right one for your system: 386 or amd64
     $ ARCH=amd64
     $ wget -q https://godeb.s3.amazonaws.com/godeb-$ARCH.tar.gz
     $ tar xzvf godeb-$ARCH.tar.gz
     godeb
     $ sudo mv godeb /usr/local/bin
-    $ godeb install 1.2
+    $ godeb install
     $ go get gopkg.in/qml.v1
 
 
@@ -133,7 +133,7 @@ On Windows you'll need the following:
 
   * [MinGW gcc](http://sourceforge.net/projects/mingw/files/latest/download) 4.8.1 (install mingw-get and install the gcc from within the setup GUI)
   * [Qt 5.1.1](http://download.qt-project.org/official_releases/qt/5.1/5.1.1/qt-windows-opensource-5.1.1-mingw48_opengl-x86-offline.exe) for MinGW 4.8
-  * [Go 1.2rc1](https://code.google.com/p/go/downloads/list?can=1&q=go1.2rc1) for Windows
+  * [Go >= 1.2](http://golang.org/doc/install)
 
 Then, assuming Qt was installed under `C:\Qt5.1.1\`, set up the following environment variables in the respective configuration:
 
@@ -150,7 +150,7 @@ Requirements everywhere else
 ----------------------------
 
 If your operating system does not offer these dependencies readily,
-you may still have success installing [Go 1.2rc1](https://code.google.com/p/go/downloads/list?can=1&q=go1.2rc1)
+you may still have success installing [Go >= 1.2](http://golang.org/doc/install)
 and [Qt 5.0.2](http://download.qt-project.org/archive/qt/5.0/5.0.2/)
 directly from the upstreams.  Note that you'll likely have to adapt
 environment variables to reflect the custom installation path for