Add session gateway#84

Merged

merenbach merged 4 commits intoargoproj:masterfrom

merenbach:add-session-gateway

Apr 13, 2018

Commits on Apr 12, 2018

Rebase all changes on to master
Andrew Merenbach
committed
Add additional comments, fix errors, thanks @jessesuen
Andrew Merenbach
committed
Centralize token injection, thanks @jessesuen
Andrew Merenbach
committed

Commits on Apr 13, 2018

Add REQUIREAUTH=1 env flag to enable authentication
Andrew Merenbach
committed