add alias to blockstack-core with deprecation warning (blockstack-server becomes blockstack-core)

bin/blockstack-server

@@ -1,42 +1,5 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-"""
-    Blockstack
-    ~~~~~
-    copyright: (c) 2014-2015 by Halfmoon Labs, Inc.
-    copyright: (c) 2016 by Blockstack.org
+#!/bin/sh
 
-    This file is part of Blockstack
+echo "This command is DEPRECATED.  Please use \`blockstack-core\` in the future."
 
-    Blockstack is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    Blockstack is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-    You should have received a copy of the GNU General Public License
-    along with Blockstack.  If not, see <http://www.gnu.org/licenses/>.
-"""
-
-import sys
-import os
-
-if sys.version_info.major != 2:
-    raise Exception("Python 3 is not supported")
-
-if sys.version_info.minor < 7:
-    raise Exception("Python 2.7 or greater is required")
-
-# Hack around absolute paths
-current_dir = os.path.abspath(os.path.dirname(__file__))
-parent_dir = os.path.abspath(current_dir + "/../")
-
-sys.path.insert(0, parent_dir)
-
-from blockstack.blockstackd import run_blockstackd
-
-if __name__ == '__main__':
-    run_blockstackd()
+exec blockstack-core $@