Pin requests.py version in requirements.txt
Pin requests.py version in requirements.txt

Latest (2.5.2 & 2.5.3) requests.py interacts badly with pyinstaller.

See
http://stackoverflow.com/questions/28775276/pyinstaller-error-importerror-no-module-named-requests-packages-chardet-sys

quater/calico-containers,projectcalico/calico-containers,TrimBiggs/calico-containers,robbrockbank/calico-containers,insequent/calico-docker,johscheuer/calico-docker,insequent/calico-docker,dalanlan/calico-docker,fasaxc/calicoctl,webwurst/calico-docker,fasaxc/calico-docker,alexhersh/calico-docker,robbrockbank/calico-containers,robbrockbank/calico-docker,fasaxc/calicoctl,CiscoCloud/calico-docker,caseydavenport/calico-containers,projectcalico/calico-containers,L-MA/calico-docker,tomdee/calico-docker,projectcalico/calico-docker,johscheuer/calico-docker,quater/calico-containers,Metaswitch/calico-docker,alexhersh/calico-docker,robbrockbank/calico-docker,tomdee/calico-containers,L-MA/calico-docker,tomdee/calico-containers,caseydavenport/calico-containers,TrimBiggs/calico-containers,projectcalico/calico-docker,caseydavenport/calico-docker,TrimBiggs/calico-docker,Metaswitch/calico-docker,Symmetric/calico-docker,frostynova/calico-docker,projectcalico/calico-containers,caseydavenport/calico-docker,TeaBough/calico-docker,tomdee/calico-docker,TrimBiggs/calico-docker,webwurst/calico-docker,fasaxc/calico-docker,frostynova/calico-docker,TeaBough/calico-docker,Symmetric/calico-docker,caseydavenport/calico-containers,robbrockbank/calicoctl,dalanlan/calico-docker,CiscoCloud/calico-docker,robbrockbank/calicoctl