Remove author from all classes comments.

 Regex to find all authors:
 ^\s*(\*|/\*).*@author.*\n
 
 Regex to find author followed by description in the same line:
^.*@author.*(\s+[a-z|A-Z|0-9]+){1,}$
^\s*(\*|/\*).*@author( +\S+){1,}$