use file:line:col as key for the xref dict

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>
extract docs and use xrefs key
compiler script

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>
Merge branch 'doxygen-as-source-browser' of github.com:groleo/doxygen-1 into doxygen-as-source-browser
SQLITE_TRANSIENTs

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>
search.py: get includ(ers|ees), class members, base-classes and sub-classes

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>