Added 'given_command' to local() 'out'

This makes adds the 'command' attribute to local()'s return, as
in run() and sudo() to make the initial command accessible after
execution.
Merge branch 'master' into local-function-given-command
Add command and real_command attributes to local return value.
Merge branch 'master' into 1113-int

Conflicts:
	sites/www/changelog.rst
Merge branch 'master' of github.com:fabric/fabric