scanlogs: now writes output csv with only files which contain audio
scanlogs: write output csv with all calls which contain logs, otherwise ignore.  having no wave just prints a complaint
add new log parser helper scripts into dir "log_parsers"
Merge branch 'master' of github.com:tgoodlet/NLA

* 'master' of github.com:tgoodlet/NLA:
  add new log parser helper scripts into dir "log_parsers"
  scanlogs: write output csv with all calls which contain logs, otherwise ignore.  having no wave just prints a complaint
  scanlogs: now writes output csv with only files which contain audio
Merge branch 'laptop'

* laptop:
  grapher: clean out old codes, add plot meth back in
  fully functional plotting, grapher now provides a lazy plotter method!
  all data model stuctures are now in callset.py
  plotting now fully functional and prettified with SIP 200 OK indicators
  callset now wraps grapher somewhat proper, multi wav plotting working!
  grapher: general massive overhaul and introduction of auto wav cacheing. new figures on every plt call.
  nla: now checks for log-index.xml, usage function rewrite and format
  nla: front end data formatting and parsing now working
reorganize working tree, delete uneeded test logs