Upgrade botocore to 1.4.0
Upgrade botocore to 1.4.0

alex/warehouse,karan/warehouse,dstufft/warehouse,wlonk/warehouse,alex/warehouse,karan/warehouse,wlonk/warehouse,pypa/warehouse,karan/warehouse,karan/warehouse,karan/warehouse,pypa/warehouse,alex/warehouse,wlonk/warehouse,pypa/warehouse,alex/warehouse,dstufft/warehouse,dstufft/warehouse,dstufft/warehouse,pypa/warehouse,alex/warehouse