Updates RealFuels
Adds MM recommends to PP

We have way too many acronyms in this game. PP needs MM to integrate
with other mods (but it's not a strict dependency).
Add Final Frontier from Kerbal Stuff

This is an automated commit on behalf of Nereid
Merge pull request #238 from Ippo343/RealFuels-0.90

Updates RealFuels
Merge pull request #240 from Ippo343/ProcParts

Adds MM recommends to PP
Merge pull request #241 from KerbalStuffBot/add-FinalFrontier

Add Final Frontier from Kerbal Stuff
Rename FinalFrontier.json to FinalFrontier.netkan
Added install section and fixed license for FinalFrontier
Fixed install section of the Christmas Self
Merge pull request #244 from hakan42/AVeryKerbalChristmas

Fixed install section of the Christmas Sled...
Merge pull request #243 from hakan42/FinalFrontierKS

Added install section and fixed license for FinalFrontier
Add Snacks! mod

Currently only (officially) 0.25
Merge pull request #251 from ndevenish/patch-1

Add Snacks! mod
Update ProcParts netkan

Thanks to Hypersaurus
- ProcParts does have a .version file, so let's pull from it
- MM should be depends
- License is CC-BY-SA not just CC-BY
Switch ProcParts back to recommend MM
Merge pull request #255 from NathanKell/master

Update ProcParts netkan
Realplume initial

Realism Overhaul update
Update RealismOverhaul.netkan
Update RealPlume.netkan
Update RealPlume.netkan