Back out 8b8db1d07846 (bug 855178) for asserting
Bug 855109: Fix typo in configure.in line for making gcc/clang c++ compilers use -Wsign-compare. r=glandium
(no bug) Remove some whitespace on blank line, in configure.in. whitespace-only, DONTBUILD
Bug 855173 - jsshell package needs nss3.dll due to MOZ_FOLD_LIBS. r=glandium