Bugfix selection of the unwind library.
Do not rebuild documentation on each build
Do not rebuild documentation on each build
Implemented btp_elf_fde_to_json for debug purposes.
Fixed a bug in eh_frame (fde list): last fde must have next set to NULL.
Implemented btp_disasm_instructions_to_text and btp_disasm_binary_to_text for debugging purposes.  Extended out-of-range error message in btp_disasm_get_function_instructions.
Include fingerprinting code even when libopcodes is not available.
Generate fingerprints when creating core stacktrace in abrt dir.
Removed some intermediate build files. Use autoreconf -if to generate them.