Fix a bunch of minor formatting errors in pcc files

[ckwalsh]

I'm playing around with some parsing libraries to better understand them, and am using the pcgen pcc/lst files as my test targets.

This PR fixes a bunch of inconsistencies in pcc files that my parser ran into.

• Missing http:// schemes in urls
• Missing : in url schemes
• Flipped month/year in SOURCEDATE properties
• Duplicate SOURCEWEB / SOURCELONG / STATUS properties
• Duplicate DESC properties
  • Concatenated them with a space to match LST behavior
• Duplicate LOGO property in killshot.pcc
  • Checked which logo image shows up in my pcgen install, and deleted creative commons image file
• Ensured local paths for SOURCEWEB and HELP start with .

[ckwalsh]

Ping @LegacyKing