by default, don't print tail comments (enable with -t)
change default line length from 75 to 130
fiddle with indents some more
rework lazyInstMgr.h comment like brlcad r57891
Add newlines to end of files

git-svn-id: svn://svn.code.sf.net/p/brlcad/code/brlcad/trunk@57897 2f96ce8b-6d43-0410-b8df-bffccc660ffb
Merge pull request #264 from stepcode/review/exppp2

exppp & misc