Part costs and RemoteTech fixes

- DP-10 lowered to 100k range, cheapened price to 2.
- Stayputnik has integrated 200k antenna
- Some structural components no longer ludicrously priced

Relates to #25
Merge branch 'master' of github.com:KSP-RO/RP-0

* 'master' of github.com:KSP-RO/RP-0:
  Correct Altair thrust FIXME
  Add Altair/X-248 solid kick motor