Add "New Skill" to the skill list of the server options
Change the max value of g_spSkill
Load the skill 5 if the skill is greater than 5
Raise to the max some characteristics
Always use the current enemy origin and velocity
Make the aim accuracy independent of the distance
Revert "fix newweaponnum"

This reverts commit ff82d0e340bebee5ef34f69601f7a89851fe623b.
Fix the error "weaponnum out of range"
Merge branch 'new_skill' into test-4

* new_skill:
  Fix the error "weaponnum out of range"
  Revert "fix newweaponnum"
  Make the aim accuracy independent of the distance
  Always use the current enemy origin and velocity
  Raise to the max some characteristics
  Load the skill 5 if the skill is greater than 5
  Change the max value of g_spSkill
  Add "New Skill" to the skill list of the server options