Bump containervm version to the latest one: 20140826
Update nodejs_web_app.md
Merge pull request #7805 from nzwsch/patch-1

Update nodejs_web_app.md
Merge pull request #7751 from dchen1107/master

Bump containervm version to the latest one: 20140826
alternative to `exit` command: `CTRL-D`

Docker-DCO-1.1-Signed-off-by: Eike Herzbach <eike@herzbach.net> (github: eik3)
Merge pull request #7820 from SvenDowideit/eik3-exit-doc-patch

alternative to `exit` command: `CTRL-D`