Added the @ syntax for reading individual service configuration values out of files.
Merge branch 'master' of https://github.com/juju/juju into set-add-at-syntax
Added some help information.
Added file size limit of 5M.
Merge branch 'master' of https://github.com/juju/juju into set-add-at-syntax
Merge pull request #131 from TheMue/set-add-at-syntax

Add @ syntax to set command

Added the @ syntax to the set command for setting service options. It allows that the value for an option can be read out of a file:

juju set myservice myoption=@valuefile.txt

See also

https://bugs.launchpad.net/juju-core/+bug/1216967