fftw3: revert back to 3.3.2

Go back to 3.3.2 version until we get approval for 3.3.3. 3.3.3 is needed
if we want to enabled NEON on ARMv7-A architecture.

NOTE: If NEON is enabled we have to force SP mode. Then library names
      are changed by fftw3 build system.

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
cmssw-tool-conf: make nspr, nss, and cyrus-sasl available for all

NSPR, NSS and Cyrus SASL was available only for SLC6 before. The
change makes it available in general for all.

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
gcc-toolfile: drop %ifos macros; drop -fabi-version; use -dumpversion for GCC

- Stop using %ifos and %ifarch macros. Use %cmsplatf to figure out
  operating system, architecture and/or compiler.
- Drop -fabi-version=6 in CXXFLAGS. The following is added into GCC driver
  spec.
- Use `-dumpversion' command line option for GCC and LLVM/Clang to get
  compiler version.

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
gcc: update for 4.8.1 and ARMv7; drop %ifos and %ifarch macros

- Stop using %ifos and %ifarch macros. Use %cmsplatf to figure out
  operating system, architecture and/or compiler.
- Update version to 4.8.1 (r199526).
- For amd64 use profiledbootstrap, but for ARMv7 just bootstrap.
- Add -fabi-version=0 into driver spec for ARM.
- For ARMv7 use NEON as FPU unit.

Signed-off-by: David Abdurachmanov <davidlt@cern.ch>