* Moves get_option from the tools library to the C library
* Adds H5 prefix to get_option call and variables
* Renames the H5_get_option long options struct and enum
Conflicts:
tools/src/h5diff/h5diff_common.c
tools/src/h5dump/h5dump.c
tools/src/h5repack/h5repack_main.c
tools/src/misc/h5mkgrp.c