remove newly introduced trailing spaces & tabs, new windows line-breaks also present but not tackled
CRM-13025
CRM-13025 : minor cleanup
Merge pull request #1164 from eileenmcnaughton/whitespace

remove newly introduced trailing spaces & tabs, new windows line-breaks ...
-- fixed for CRM-10146, Restricted the creation of same membership and activity again.
Merge pull request #1173 from dpradeep/CRM-10146-recommit

-- fixed for CRM-10146, Restricted the creation of same membership and activity again.
CRM-13028

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* CRM-13028: Adv logging: Refine triggers for tables with datestamps
  http://issues.civicrm.org/jira/browse/CRM-13028
Merge pull request #1175 from deepak-srivastava/logging

CRM-13028
Merge pull request #1176 from pratik-joshi/CRM-13025

CRM-13025