Facehugger Balancing

Impregnation time adjusted
Bursting time adjusted
Merge remote-tracking branch 'upstream/master'
Balances

Minor heal_rate balances
hugger code back-up prior to adjustments
Resin Retexturing Part 1

Resin Walls
Resin Membrane
New Eggs
Resin Doors moved from Mineral_doors to Xeno/Effects.dmi
Ghost text changed

Because it needed to be done.
Alien Facehuggers adjusted

Felk wanted to test them without the movement AI, this be that test!
Merge pull request #31 from apophis775/master

28NOV2014 Updates