Merge pull request #494 from zmwangx/cpython-2.7.11

Add CPython 2.7.11

plugins/python-build/share/python-build/2.7.11

@@ -0,0 +1,4 @@
+#require_gcc
+install_package "openssl-1.0.1p" "https://www.openssl.org/source/openssl-1.0.1p.tar.gz#bd5ee6803165c0fb60bbecbacacf244f1f90d2aa0d71353af610c29121e9b2f1" mac_openssl --if has_broken_mac_openssl
+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-2.7.11" "https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz#82929b96fd6afc8da838b149107078c02fa1744b7e60999a8babbc0d3fa86fc6" ldflags_dirs standard verify_py27 ensurepip