requirements: Upgrade certifi to 2017.4.17.
requirements: Upgrade certifi to 2017.4.17.

amanharitsh123/zulip,ryanbackman/zulip,shubhamdhama/zulip,brainwane/zulip,christi3k/zulip,andersk/zulip,shubhamdhama/zulip,dhcrzf/zulip,synicalsyntax/zulip,j831/zulip,eeshangarg/zulip,j831/zulip,Galexrt/zulip,hackerkid/zulip,vaidap/zulip,jrowan/zulip,kou/zulip,punchagan/zulip,zulip/zulip,Galexrt/zulip,vaidap/zulip,dhcrzf/zulip,rishig/zulip,zulip/zulip,timabbott/zulip,vabs22/zulip,synicalsyntax/zulip,timabbott/zulip,timabbott/zulip,jrowan/zulip,SmartPeople/zulip,synicalsyntax/zulip,rht/zulip,brainwane/zulip,amanharitsh123/zulip,hackerkid/zulip,vabs22/zulip,mahim97/zulip,rishig/zulip,showell/zulip,amanharitsh123/zulip,synicalsyntax/zulip,verma-varsha/zulip,punchagan/zulip,dhcrzf/zulip,Galexrt/zulip,synicalsyntax/zulip,brockwhittaker/zulip,showell/zulip,andersk/zulip,timabbott/zulip,timabbott/zulip,vabs22/zulip,timabbott/zulip,SmartPeople/zulip,kou/zulip,rishig/zulip,brainwane/zulip,brainwane/zulip,rishig/zulip,jrowan/zulip,jackrzhang/zulip,showell/zulip,amanharitsh123/zulip,jphilipsen05/zulip,vaidap/zulip,zulip/zulip,mahim97/zulip,tommyip/zulip,vaidap/zulip,jackrzhang/zulip,ryanbackman/zulip,rht/zulip,mahim97/zulip,j831/zulip,jphilipsen05/zulip,jphilipsen05/zulip,showell/zulip,christi3k/zulip,eeshangarg/zulip,eeshangarg/zulip,christi3k/zulip,jackrzhang/zulip,showell/zulip,rht/zulip,brockwhittaker/zulip,jackrzhang/zulip,shubhamdhama/zulip,jphilipsen05/zulip,shubhamdhama/zulip,tommyip/zulip,brainwane/zulip,rht/zulip,andersk/zulip,zulip/zulip,kou/zulip,kou/zulip,rishig/zulip,jackrzhang/zulip,jrowan/zulip,mahim97/zulip,punchagan/zulip,Galexrt/zulip,brockwhittaker/zulip,mahim97/zulip,ryanbackman/zulip,rht/zulip,hackerkid/zulip,andersk/zulip,eeshangarg/zulip,verma-varsha/zulip,brainwane/zulip,showell/zulip,SmartPeople/zulip,punchagan/zulip,dhcrzf/zulip,jphilipsen05/zulip,showell/zulip,zulip/zulip,Galexrt/zulip,verma-varsha/zulip,SmartPeople/zulip,eeshangarg/zulip,Galexrt/zulip,andersk/zulip,amanharitsh123/zulip,brockwhittaker/zulip,rishig/zulip,j831/zulip,shubhamdhama/zulip,jrowan/zulip,brainwane/zulip,amanharitsh123/zulip,christi3k/zulip,verma-varsha/zulip,eeshangarg/zulip,kou/zulip,hackerkid/zulip,synicalsyntax/zulip,vabs22/zulip,christi3k/zulip,tommyip/zulip,j831/zulip,shubhamdhama/zulip,punchagan/zulip,punchagan/zulip,vaidap/zulip,rht/zulip,andersk/zulip,hackerkid/zulip,Galexrt/zulip,jphilipsen05/zulip,rishig/zulip,kou/zulip,SmartPeople/zulip,kou/zulip,jackrzhang/zulip,rht/zulip,brockwhittaker/zulip,tommyip/zulip,ryanbackman/zulip,christi3k/zulip,hackerkid/zulip,SmartPeople/zulip,dhcrzf/zulip,j831/zulip,tommyip/zulip,shubhamdhama/zulip,vabs22/zulip,verma-varsha/zulip,tommyip/zulip,zulip/zulip,dhcrzf/zulip,ryanbackman/zulip,vabs22/zulip,punchagan/zulip,zulip/zulip,jrowan/zulip,timabbott/zulip,synicalsyntax/zulip,brockwhittaker/zulip,eeshangarg/zulip,vaidap/zulip,hackerkid/zulip,dhcrzf/zulip,ryanbackman/zulip,mahim97/zulip,tommyip/zulip,andersk/zulip,verma-varsha/zulip,jackrzhang/zulip