finished fight method & small updates

1.  Finished fight method
 —comments for method
 —formatting and adding some text for readability
 —fixed random number of turns
 —finished PowerRanger and EvilNinja sections
2. small updates
 — updated cause_mayhem — removed call of victim.scream because they
can’t due to lack of caffeine.
 — to replace the scream in call mayhem added a puts of victim’s
response
 —on megazord fixed puts statement to call punchee’s name