scrapy 环境搭建完整包

windows平台下搭建scrapy环境，包括lxml-3.2.3.win32-py2.7.exe, pywin32-218.win-amd64-py2.7.exe,python-2.7.msi,Twisted-13.1.0.win32-py2.7.msi,Win32OpenSSL-1_0_1e.exe,vcredist_x86.exe,w3lib-1.2.tar.gz,Scrapy-0.14.3.win32.exe