Remove tools/regression/lib/libmp

Sponsored-by: EMC / Isilon Storage Division
Apply voodoo to get the msun legacy testcases to compile/install/pass successfully like in tools/regression

The files were effectively checked out wholesale from master, so any attempts
at integrating ATF support into the testcases has been removed.

Sponsored-by: EMC / Isilon Storage Division
Integrate tools/regression/sys/kqueue in to the build/kyua

kqtest was developed by EMC / Isilon Storage Division.

Sponsored-by: EMC / Isilon Storage Division
Merge branch 'more-tools-regression-integration' of https://github.com/yaneurabeya/freebsd into more-tools-regression-integration

Conflicts:
	lib/msun/tests/legacy/Makefile
	lib/msun/tests/legacy/test-cexp.c
	lib/msun/tests/legacy/test-conj.c
	lib/msun/tests/legacy/test-csqrt.c
	lib/msun/tests/legacy/test-ctrig.c
	lib/msun/tests/legacy/test-exponential.c
	lib/msun/tests/legacy/test-fenv.c
	lib/msun/tests/legacy/test-fma.c
	lib/msun/tests/legacy/test-fmaxmin.c
	lib/msun/tests/legacy/test-invctrig.c
	lib/msun/tests/legacy/test-invtrig.c
	lib/msun/tests/legacy/test-logarithm.c
	lib/msun/tests/legacy/test-lrint.c
	lib/msun/tests/legacy/test-lround.c
	lib/msun/tests/legacy/test-nan.c
	lib/msun/tests/legacy/test-nearbyint.c
	lib/msun/tests/legacy/test-next.c
	lib/msun/tests/legacy/test-rem.c
	lib/msun/tests/legacy/test-trig.c