removed dependancy on winston

default to no logging - can still use winston if the user passes a
winston logger using the args
added smremde as contributor
merged forked repo
Revert "merged forked repo"

This reverts commit 671f576e715a170ec872d1673f9d2804edc27a12.
Merge branch 'master' of https://github.com/smremde/node-fluent-ffmpeg into smremde-master

added me as contributor
# By Stephen Remde
# Via Stephen Remde
* 'master' of https://github.com/smremde/node-fluent-ffmpeg:
  Revert "merged forked repo"
  merged forked repo
  added smremde as contributor
  removed dependancy on winston

Conflicts:
	package.json
Merge branch 'smremde-master' into polishing-code

# By Stephen Remde
# Via Spruce (Felix Fichte) (1) and Stephen Remde (1)
* smremde-master:
  Revert "merged forked repo"
  merged forked repo
  added smremde as contributor
  removed dependancy on winston