New warning stripes effects

- Made transparent versions of the effects we can see here
https://cloud.githubusercontent.com/assets/5224390/5062261/ea0ce37c-6db9-11e4-87af-f91a1239ece2.png
to replace the old ones
- Corrected tgstation.dmm accordingly
Updated tile painter

Because I'm a faggot and I used new names for some of the stuff
Manually replaced every single warning stripes turf with a warning stripes effect and another simpler turf
Efficiency done, forgotten parts of Box too
Merge pull request #1920 from Duny-/Grafix_stuff

Replaced all warning stripes effects with the ones from my previous PR