Add various mods

Adds packages for

- [Tweak Scale](http://forum.kerbalspaceprogram.com/threads/80234-TweakScale-Rescale-Everything%21-%28Version-1-20-Updated-2014-06-12-22-15-UTC%29)
- [TweakableEverything](http://forum.kerbalspaceprogram.com/threads/64711-0-23-5-TweakableEverything-1-2-For-all-your-part-tweaking-needs)
- [Cool Rockets](http://forum.kerbalspaceprogram.com/threads/68196-CoolRockets!-Cryo-and-Launch-Particle-FX)
- [Improved Chase Camera](http://forum.kerbalspaceprogram.com/threads/80112-0-23-5-Improved-Chase-Camera-v1-3-1-(5-22))
- [KSPX](http://forum.kerbalspaceprogram.com/threads/30472-0-23-x-KSPX-Kerbal-Stock-Part-eXpansion-mod-reposted-v0-2-6-1-2-04-14)
- [ECLSS Life Support](http://forum.kerbalspaceprogram.com/threads/58127-0-23-asmi-s-ECLSS-Mod-(current-version-1-0-15)-Life-Support-Mod)
- [Near Future Propulsion](http://forum.kerbalspaceprogram.com/threads/52042-0-23-5-Near-Future-Technologies-(31-05-14-new-tanks-new-curved-solar-panels))

Some of these require support for downloading from direct dropbox links