Move documentation about dependencies management from README.md to
CONTRIBUTING.md.
Closes#583
Signed-off-by: Silvano Cirujano Cuesta <silvano.cirujano-cuesta@siemens.com>
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>
