Merge branch 'tb/conversion'

Code simplification.

* tb/conversion:
  convert.c: correct attr_action()
  convert.c: simplify text_stat
  convert.c: refactor crlf_action
  convert.c: use text_eol_is_crlf()
  convert.c: remove input_crlf_action()
  convert.c: remove unused parameter 'path'
  t0027: add tests for get_stream_filter()

Author: gitster