Added PyPy Portable 5.1.1

Only tested 64-bit

plugins/python-build/share/python-build/pypy-portable-5.1.1

@@ -0,0 +1,16 @@
+case "$(pypy_architecture 2>/dev/null || true)" in
+"linux" )
+  install_package "pypy-5.1.1-linux_i686-portable" "https://bitbucket.org/squeaky/portable-pypy/downloads/pypy-5.1.1-linux_i686-portable.tar.bz2#f00faf426f41f9980344d03fd74bb949875c0cf86048ad762dd445f72353eb8f" "pypy" verify_py27 ensurepip
+  ;;
+"linux64" )
+  install_package "pypy-5.1.1-linux_x86_64-portable" "https://bitbucket.org/squeaky/portable-pypy/downloads/pypy-5.1.1-linux_x86_64-portable.tar.bz2#c0502d8db1cc2b81513cc6047813669b0a561cb20e41d60e179f51fe8657a794" "pypy" verify_py27 ensurepip
+  ;;
+* )
+  { echo
+    colorize 1 "ERROR"
+    echo ": Portable PyPy is not available for $(pypy_architecture 2>/dev/null || true)."
+    echo
+  } >&2
+  exit 1
+  ;;
+esac