ODE-770 Updated Dockerfiles to reference: ubuntu:18.04 gcc/g++: 7
ODE-770 Updated Dockerfiles to reference:
ubuntu:18.04
gcc/g++: 7

usdot-jpo-ode/asn1_codec,usdot-jpo-ode/asn1_codec,usdot-jpo-ode/asn1_codec,usdot-jpo-ode/asn1_codec