Shoey's Tweaks for MKS CKAN

Simple tweaks to parts from stock, MKS, and Stockalike Station Parts Redux for consistency's sake.

Changes:

• Added side nodes to 2.5 and 3.75m SSPXr cargo containers.
• Changed SSPXr Minerva Deep Space Control Module (5m station core) to mimic the 3.75m Pioneer + Logistics module.
• Changed SSPXr Harbour Station Control Center (3.75m station core) to mimic the 2.5m Pioneer + Logistics module.
• Changed SSPXr PPD-F412M Hydroponics Module, PXL-R4NCH-3R Hydroponics Module, and PYV-G2 Villa Cultivation Dome to mimic the 2.5m Agriculture Module.
• Changed SSPXr PYV-4 Demeter Cultivation Module to mimic the 3.75m Agriculture Module.
• Changed SSPXr Aquaculture to support 7 kerbals.
• Added methods to produce Transport Credits with LqdHydrogen and LqdMethane.
• Changed all fuel tanks to act as planetary warehouses.