Updated for dockerized codenvy
Updated for dockerized codenvy

Updated summary and value prop plus added references for dockerized codenvy.
codenvy/codenvy,R-Brain/codenvy,R-Brain/codenvy,R-Brain/codenvy,R-Brain/codenvy,codenvy/codenvy,codenvy/codenvy,R-Brain/codenvy,R-Brain/codenvy,codenvy/codenvy,codenvy/codenvy,codenvy/codenvy