Merged errno fix from Joshua Brindle (Tresys).
Merged fix for semod_build_modules_list leak on error path from Serge
Hallyn (IBM). Bug found by Coverity.
Merged several fixes from Serge Hallyn (IBM). Bugs found by Coverity.
Fixed several other bugs and warnings.
Merged patch to move module read/write code from libsemanage to libsepol
from Jason Tang (Tresys).
Merged relay records patch from Ivan Gyurdiev.
Merged key extract patch from Ivan Gyurdiev.
