Problem: Extra libsodium build instruction in install section 
Problem: Extra libsodium build instruction in install section 

Removed libsodium build instruction from install section. It's present in before_script section
xaqq/zmqpp,benjamg/zmqpp,datasift/zmqpp,datasift/zmqpp,xaqq/zmqpp,kernelim/zmqpp,pin3da/zmqpp,sunkin351/zmqpp,chenwenbin928/zmqpp,zeromq/zmqpp,chenwenbin928/zmqpp,pin3da/zmqpp,zeromq/zmqpp,benjamg/zmqpp,sunkin351/zmqpp,kernelim/zmqpp