CRM-12563 Removed extraneous else and </table> tag. Fixed indenting throughout tpl file.

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* CRM-12563: Mismatched <table> tags in MembershipRenewal.tpl
  http://issues.civicrm.org/jira/browse/CRM-12563
Merge pull request #723 from davecivicrm/CRM-12563

CRM-12563 Removed extraneous else and </table> tag. Fixed indenting thro...