add a few missing python 3.1.x releases

plugins/python-build/share/python-build/3.1

@@ -0,0 +1,4 @@
+#require_gcc
+install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "Python-3.1" "http://python.org/ftp/python/3.1/Python-3.1.tgz#99a034cf574ea3c26412b0a0728126d7fd6ea9593d099d807a25d216ed031e6a" ldflags_dirs standard verify_py31 ez_setup
+install_package "pip-1.5.6" "https://pypi.python.org/packages/source/p/pip/pip-1.5.6.tar.gz#b1a4ae66baf21b7eb05a5e4f37c50c2706fa28ea1f8780ce8efe14dcd9f1726c" python

plugins/python-build/share/python-build/3.1.1

@@ -0,0 +1,4 @@
+#require_gcc
+install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "Python-3.1.1" "http://python.org/ftp/python/3.1.1/Python-3.1.1.tgz#5d85d7bff11c4db44920af99f64f4227c816f897f6bfa9dd8a2611165ca5f0a1" ldflags_dirs standard verify_py31 ez_setup
+install_package "pip-1.5.6" "https://pypi.python.org/packages/source/p/pip/pip-1.5.6.tar.gz#b1a4ae66baf21b7eb05a5e4f37c50c2706fa28ea1f8780ce8efe14dcd9f1726c" python

plugins/python-build/share/python-build/3.1.2

@@ -0,0 +1,4 @@
+#require_gcc
+install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "Python-3.1.2" "http://python.org/ftp/python/3.1.2/Python-3.1.2.tgz#dffbc0561a161a4a576c6059e6990a9859a0be16ba9b5736eabe4abbb2700d1c" ldflags_dirs standard verify_py31 ez_setup
+install_package "pip-1.5.6" "https://pypi.python.org/packages/source/p/pip/pip-1.5.6.tar.gz#b1a4ae66baf21b7eb05a5e4f37c50c2706fa28ea1f8780ce8efe14dcd9f1726c" python