small fix to make the labels in the run dialog gray similar to other places
web: Better population of Docker DOM for containers and images

Normalize the DOM a bit and check for missing bits when we
get stuff from Docker. Use single functions where all the
population of the DOM objects happen.

Fixes #352
Closes #362
Reviewed-by: Marius Vollmer <marius.vollmer@redhat.com>
web: Add checkbox for starting container with terminal or not

Some commands won't run with a terminal, and not all images need
a terminal. So make this an optoin.

Fixes #357
Closes #378

Signed-off-by: Marius Vollmer <marius.vollmer@redhat.com>
* Check it by default.
web: Load default Memory, CPU, and TTY run settings from image config