work started: C part compiles

now produce an example
C example is working fine
perl bindings updated
fortran bindings updated
IDL bindings updated
python bindings updated
C++ example updated
lua bindings updated
ruby bindings updated
php bindings updated
idl bindings fixes
libtool version bumped and radionuclice X-rays cleanup

removed lines whose energy is not present in xraylib
Merge branch 'master' into nuclide-data