refs #8488 This should fix it

Par file has the azimuthal angle sign convention opposite to the one, used by nxspe. To avoid any confusion, nxspe should always use one (right hand side) convention for azimuthal angle.
refs #8488 should fix unit test
refs #8488 should fix it.
refs #8488 should fix unit test

but some thinking on what is actually happens in rings  is needed
refs #8488 final remarks

the minor one. Apparently all looks right.
refs #8488 cpp check false positive suppressed
Merge remote-tracking branch 'origin/bugfix/8488_horace_ne_manitd'