Elvish Ranger converted to new animation syntax

Using progressive parameters and SOUND:HIT_AND_MISS to shorten the
attack_anim's
3 UtBS units use [base_unit], fix Central Body

Desert Star, Divine  Incarnation, Weakened Cental Body
are mere variations and now reference
Desert Shyde, Divine  Avatar, Cental Body

The animation WML of the central body was cut short by 200 lines, mostly
by deleting a workaround for auto_[h,v]flip.
deleting #wmllint: usage magic comments

#wmllint: usage is no longer necessary as wmllint now processes base
units
small UtBS unit WML clean up (4 units)

This commit prepares for the animation WML overhaul on UtBS, but is
independant
* fixing comments for divine avatar, desert ranger
* deleting duplicate WML for dark assassin, corrupted elf
UtBS small mudcrawler update

* Giving the melee attack a separate animation
* cleaning up lines which are duplicates from the [base_unit]
AnimationWML update for UtBS

conversion to the new animation syntax, thereby deleting all instances
of the deprecated begin= parameter