bump get-pip.py to pip 1.5.6
bump get-pip.py to pip 1.5.6

mindw/pip,patricklaw/pip,pfmoore/pip,davidovich/pip,sigmavirus24/pip,haridsv/pip,willingc/pip,zvezdan/pip,xavfernandez/pip,pypa/pip,jmagnusson/pip,rbtcollins/pip,yati-sagade/pip,jmagnusson/pip,blarghmatey/pip,habnabit/pip,sigmavirus24/pip,alex/pip,graingert/pip,h4ck3rm1k3/pip,ncoghlan/pip,RonnyPfannschmidt/pip,chaoallsome/pip,prasaianooz/pip,squidsoup/pip,caosmo/pip,KarelJakubec/pip,natefoo/pip,zenlambda/pip,RonnyPfannschmidt/pip,yati-sagade/pip,esc/pip,willingc/pip,supriyantomaftuh/pip,zvezdan/pip,chaoallsome/pip,jamezpolley/pip,ChristopherHogan/pip,esc/pip,benesch/pip,dstufft/pip,jasonkying/pip,ianw/pip,chaoallsome/pip,mattrobenolt/pip,habnabit/pip,atdaemon/pip,cjerdonek/pip,fiber-space/pip,rouge8/pip,erikrose/pip,alex/pip,supriyantomaftuh/pip,harrisonfeng/pip,sbidoul/pip,msabramo/pip,zorosteven/pip,erikrose/pip,supriyantomaftuh/pip,pradyunsg/pip,cjerdonek/pip,graingert/pip,h4ck3rm1k3/pip,davidovich/pip,natefoo/pip,prasaianooz/pip,pradyunsg/pip,ncoghlan/pip,yati-sagade/pip,pjdelport/pip,prasaianooz/pip,davidovich/pip,luzfcb/pip,caosmo/pip,mindw/pip,habnabit/pip,ianw/pip,xavfernandez/pip,graingert/pip,James-Firth/pip,nthall/pip,wkeyword/pip,esc/pip,rouge8/pip,ChristopherHogan/pip,KarelJakubec/pip,jythontools/pip,rbtcollins/pip,jamezpolley/pip,luzfcb/pip,qbdsoft/pip,zvezdan/pip,Gabriel439/pip,mujiansu/pip,pfmoore/pip,pypa/pip,atdaemon/pip,KarelJakubec/pip,qbdsoft/pip,pjdelport/pip,Gabriel439/pip,rouge8/pip,xavfernandez/pip,zenlambda/pip,blarghmatey/pip,jythontools/pip,sigmavirus24/pip,benesch/pip,patricklaw/pip,erikrose/pip,luzfcb/pip,nthall/pip,benesch/pip,Gabriel439/pip,fiber-space/pip,nthall/pip,James-Firth/pip,James-Firth/pip,ChristopherHogan/pip,qbdsoft/pip,mattrobenolt/pip,tdsmith/pip,mujiansu/pip,squidsoup/pip,jamezpolley/pip,Carreau/pip,sbidoul/pip,zenlambda/pip,zorosteven/pip,techtonik/pip,harrisonfeng/pip,jasonkying/pip,techtonik/pip,squidsoup/pip,mindw/pip,dstufft/pip,willingc/pip,h4ck3rm1k3/pip,wkeyword/pip,mujiansu/pip,caosmo/pip,wkeyword/pip,zorosteven/pip,tdsmith/pip,haridsv/pip,jmagnusson/pip,jythontools/pip,atdaemon/pip,ncoghlan/pip,RonnyPfannschmidt/pip,techtonik/pip,natefoo/pip,blarghmatey/pip,jasonkying/pip,tdsmith/pip,Carreau/pip,msabramo/pip,dstufft/pip,alex/pip,haridsv/pip,fiber-space/pip,harrisonfeng/pip,rbtcollins/pip,pjdelport/pip