fixed several pep8 issues

  * E127 continuation line over-indented for visual indent
  * E128 continuation line under-indented for visual indent
  * E501 line too long (82 > 79 characters)
  * W292 no newline at end of file

Tested with pep8 version 1.5.6 (2014-04-14).

Change-Id: Ibd4d9ee9635f2032831e12d32f40bebf5a67e627
Merge "fixed several pep8 issues"