1.1.5-cvd.1

Changelog
f803660 Adding contribution and governance guidelines
e0ab846 update deps for go-winio and remotessh
5087c8a Makefile: move list of K8S system tests to var
e6faad5 remove USE_RELEASE & remove release timestamp
8858181 Add .dockerignore for faster docker build times
001fb65 Godeps: update libopenflow to latest version
dfba45f reran godep for go-winio
5732e53 Enhance Dockerfile for local building (#1002)
e4b539a Vagrantfile: add env vars for VM's CPU & RAM
a68d91a Makefile: print the list of system tests to be run (#1010)
7422385 scripts/netContain/Dockerfile: update OVS version
fb7bec2 version/CURRENT_VERSION: bump version to 1.1.5-cvd.1