All hands - we need to test Fred's build changes pronto

[Eric S. Raymond]

Hal Murray <hmurray at megapathdsl.net>:
> The permissions on the stuff in ntpclients had the execute bit removed so 
> local testing doesn't work any more.  I assume install fixes that since you 
> reported that ntpq worked.
> 
> In particular, tests/options-tester.sh says things like:
> 
> VERSION: ntpd ntpsec-0.9.7+1444 2017-09-26T09:54:52Z
> VERSION: ./tests/option-tester.sh: line 40: ./ntpq: Permission denied
> VERSION: ./tests/option-tester.sh: line 42: ./ntpdig: Permission denied
> VERSION: ./tests/option-tester.sh: line 44: ./ntpmon: Permission denied

Following Fred's change, client tests now need to be run from
build/main/ntpcllients rather than the source directory. I have pushed
a change to tests/options-tester.sh that does this; please verify.

There's a small loss of convennience here that I regret, but updates to the
Python service libraries already required a waf build.  It's more consistent
that changes to the front ends do too, and eliminates an error where you
don't get updated libraries because that step was forgotten.
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>

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