Improve database module cache performance

[adfoster-r7]

Improves the database module cache performance from ~3 minutes to ~1 by performing bulk inserts of module metadata instead of multiple smaller inserts for every module/reference/author/etc.

Verification

• Open msfconsole
• Open IRB when inside of msfconsole
• Run the migration
• Verify the cache is correctly populated into the database

Before

The multiple DB inserts for each record takes 100 or so seconds

>> framework.db.purge_all_module_details; puts 'updating'; _, elapsed_time = Rex::Stopwatch.elapsed_time { framework.db.update_all_module_details }; puts elapsed_time
190.257881

After

The DB inserts take a 1-2 seconds

>> framework.db.purge_all_module_details; puts 'updating'; _, elapsed_time = Rex::Stopwatch.elapsed_time { framework.db.update_all_module_details }; puts elapsed_time
76.59721399999944