testing, issue #1104: Make the test use static flags
fix overwrites EXPOSE
add regression test from @crosbymichael
Make the ENTRYPOINT example work

The incantation listed in the ENTRYPOINT example didn't actually pass the arguments to your script. Changing the definition to an array fixes this.
add container=lxc in default env
Fixed a couple of minor syntax errors.
Added top to the list of commands in the sidebar.
Updated the stop command's docs.
Support networkless containers with new docker run option '-n'
Support completely disabling network configuration with docker -d -b none
Document -b none
Test pulling remote files using ADD in a buildfile.
Buildfile: for ADD command, determine filename from URL.

This is used if the destination is a directory. This makes the URL
download behavior more closely match file copying.

Fixes #1142.
Remove some trailing whitespace.
Update ADD documentation to specify new behavior.
Merge pull request #1255 from dsissitka/patch-1

Fixed a couple of minor syntax errors.
Merge pull request #1258 from dsissitka/patch-2

* Documentation: Added top to the list of commands in the sidebar.
Merge pull request #1259 from dsissitka/patch-3

*Documentation: Updated the stop command's docs.
Merge pull request #1158 from cespare/1142-docker-add-fix

*Buildfile: determine a filename from a URL if the destination is a directory
fix error message when invalid directory