Complete transition from the projectactomic project to the containers one

Replace the occurrences of `github.com/projectatomic` with
`github.com/containers` to ensure clean clones of the project are
building, travis badges on the README work as expected and other minor
things.

Signed-off-by: Flavio Castelli <fcastelli@suse.com>

hack/make.sh

@@ -6,7 +6,7 @@ set -e
 #
 # Requirements:
 # - The current directory should be a checkout of the skopeo source code
-#   (https://github.com/projectatomic/skopeo). Whatever version is checked out
+#   (https://github.com/containers/skopeo). Whatever version is checked out
 #   will be built.
 # - The script is intended to be run inside the docker container specified
 #   in the Dockerfile at the root of the source. In other words:
@@ -19,7 +19,7 @@ set -e
 
 set -o pipefail
 
-export SKOPEO_PKG='github.com/projectatomic/skopeo'
+export SKOPEO_PKG='github.com/containers/skopeo'
 export SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 export MAKEDIR="$SCRIPTDIR/make"
 

hack/travis_osx.sh

@@ -4,13 +4,13 @@ set -e
 export GOPATH=$(pwd)/_gopath
 export PATH=$GOPATH/bin:$PATH
 
-_projectatomic="${GOPATH}/src/github.com/projectatomic"
-mkdir -vp ${_projectatomic}
-ln -vsf $(pwd) ${_projectatomic}/skopeo
+_containers="${GOPATH}/src/github.com/containers"
+mkdir -vp ${_containers}
+ln -vsf $(pwd) ${_containers}/skopeo
 
 go get -u github.com/cpuguy83/go-md2man github.com/golang/lint/golint
 
-cd ${_projectatomic}/skopeo
+cd ${_containers}/skopeo
 make validate-local test-unit-local binary-local
 sudo make install
 skopeo -v