Remove momentum reduction in CA_JUMPTHOK

Also add new multiability handling for it
Merge branch 'master' into next
Merge pull request #3 from yellowtd/next

Next
Merge pull request #28 from wolfy852/master

Remove momentum reduction in CA_JUMPTHOK
SRB2 2.1.11 release
Merge branch 'next'
evil changes
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'origin/master' into next
Merge remote-tracking branch 'origin/master' into next