Cleanup stig import tools

Remove old/outdated import tool.

This removes the last dependency on <stig/parse_compiled_import.h> so
that file and it's relatives can all go. Removing a broken test in the
proecss which makes #6 closer to reality
Merge pull request #44 from cmaloney/cleanup_import_utils

Cleanup stig import tools
Remove unused <stig/rpc/*>

This was an updated RPC / marshalling system. Will revive eventually,
but for now it was just gathering dust.

Removes more broken tests for #6 as a handy side effect
Merge pull request #45 from cmaloney/remove_unused_rpc

Remove unused &lt;stig/rpc&gt;

Makes progress towards #6
The run_tests script needs to be executable or it can't be run
Merge pull request #46 from cmaloney/run_tests_executable

The run_tests script needs to be executable or it can't be run