miniupnpc Porfile removed; new and improved macdeployqtplus

* My patch for miniupnpc has made it into the latest MacPorts release: https://trac.macports.org/ticket/31354
* Documentation has been changed appropriately
* New pure-Python macdeployqt; leverages all problems with the stock macdeployqt

doc/build-osx.txt

@@ -36,12 +36,7 @@ git clone git@github.com:bitcoin/bitcoin.git bitcoin
 
 3.  Install dependencies from MacPorts
 
-sudo port install boost db48 openssl
-
-Install the right version of miniupnpc:
-pushd bitcoin/contrib/minipupnpc; sudo port install; popd
-(this will be unnecessary soon, you will just port install miniupnpc
-along with the rest of the dependencies).
+sudo port install boost db48 openssl miniupnpc
 
 Optionally install qrencode (and set USE_QRCODE=1):
 sudo port install qrencode

doc/readme-qt.rst

@@ -92,7 +92,7 @@ Mac OS X
 ::
 
 	sudo port selfupdate
-	sudo port install boost db48
+	sudo port install boost db48 miniupnpc
 
 - Open the .pro file in Qt Creator and build as normal (cmd-B)
 
@@ -127,14 +127,6 @@ Set USE_UPNP to a different value to control this:
 | USE_UPNP=1 | build with UPnP support turned on by default at runtime.                 |
 +------------+--------------------------------------------------------------------------+
 
-Mac OS X users: miniupnpc is currently outdated on MacPorts. An updated Portfile is provided in contrib/miniupnpc within this project.
-You can execute the following commands in a terminal to install it:
-
-::
-
-	cd <location of bitcoin-qt>/contrib/miniupnpc
-	sudo port install
-
 Notification support for recent (k)ubuntu versions
 ---------------------------------------------------
 

doc/release-process.txt

@@ -67,14 +67,15 @@
    rm -rf bitcoin-${VERSION}-win32
 
 * perform Mac build
-  See this blog post for how Gavin set up his build environment and
-  patched macdeployqt to build the OSX release:
+  See this blog post for how Gavin set up his build environment to build the OSX
+  release; note that a patched version of macdeployqt is not needed anymore, as
+  the required functionality and fixes are implemented directly in macdeployqtplus:
     http://gavintech.blogspot.com/2011/11/deploying-bitcoin-qt-on-osx.html
   qmake USE_SSL=1 USE_UPNP=1 bitcoin-qt.pro
   make
   export QTDIR=/opt/local/share/qt4  # needed to find translations/qt_*.qm files
   T=$(contrib/qt_translations.py $QTDIR/translations src/qt/locale)
-  contrib/macdeploy/macdeployqtplus Bitcoin-Qt.app -add-qt-tr $T -dmg -fancy contrib/macdeploy/fancy.plist  
+  contrib/macdeploy/macdeployqtplus Bitcoin-Qt.app -add-qt-tr $T -dmg -fancy contrib/macdeploy/fancy.plist
 
  Build output expected:
   Bitcoin-Qt.dmg