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Most obvious change is for the command "Stats show", where the blob of stats data is now printed ina more readable fashion.
Also removed the print of 'send the command' line, and empty results are not printed at all

distcheck friendly.
this may be a bit non trivial, but I'mgoing to push without a review
as this has been causing buildbot errors.

added new test data file, but did not include it in EXTRA_DIST, so make distcheck failed

documentation regarding exceptin guarantee.

should be quite trivial and is related to buildbot failure, so will merge skipping review.

Merge branch 'master' into trac467

Conflicts:
	src/bin/auth/tests/auth_srv_unittest.cc

 - brace position
 - missing parentheses
 - redundant white spaces in a blank line
 - made ModuleCCSession::checkModuleCommand() a const member function

it incorrectly validated imported config against "local config spec".