Added base .dat files. These were released with the original source release, thus considered licensed under the GPL, so it's okay to use these as a base.
Bactas reverted back to JK2 behavior, because I _never_ saw why they did this in the first place.
Removed fields in weapons.dat relating to Force Feedback, which no longer exists in OpenJK.
Merge pull request #1 from eezstreet/master

.dat files