tauolapp-toolfile: add lhapdf and pythia8 as "uses"

With tauolapp 1.1.3 pythia8 and lhapdf was added as required
externals, but such dependencies were not added to toolfile.

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
gdb: bump version to 7.6.1

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
coral-tool-conf: add Requires bz2lib-toolfile for pcre

pcre requires bz2lib, but before coral-tool-conf did not
contain it.

Resolves SCRAM warning in CORAL:

    ****WARNING: Invalid tool bz2lib. Please fix pcre file.

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
cascade-toolfile: link to libraries on Fedora Core

On Fedora Core (ARM) we do not link any cascade libraries thus we
end up with undefined references. Link `cascade_merged' if we are
on Fedora Core.

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
Merge pull request #181 from davidlt/misc-improvements-fixes

[CMSSW_7_0_X][48] Misc. updates