Merge pull request #2260 from eileenmcnaughton/whitespace

Whitespace & capitalisation tidy ups
CRM-13943, invalid menu html

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* CRM-13943: Navigation menu has extra <li> in drupal
  http://issues.civicrm.org/jira/browse/CRM-13943
Merge pull request #2261 from kurund/CRM-13943

CRM-13943, invalid menu html
html fix on a tag - tag is closed by /> & then has an </a> = invalid html
CRM-13726, Contribution, Event billing blocks, - Only add same as above
checkbox if there is an address above

Conflicts:
	CRM/Contribute/Form/Contribution/Main.php
	CRM/Core/BAO/UFField.php
	CRM/Event/Form/Registration.php

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* CRM-13726: Only show 'billing addres is same as above' checkbox if there is an address above
  http://issues.civicrm.org/jira/browse/CRM-13726

CRM-13726 event form billing checkbox - only show for above

CRM-13726 - follow up fix

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* CRM-13726: Only show 'billing addres is same as above' checkbox if there is an address above
  http://issues.civicrm.org/jira/browse/CRM-13726
CRM-13942 fix menu to render with & resolved to &amp; to produce valid html

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* CRM-13942: navigation menu is not valid html
  http://issues.civicrm.org/jira/browse/CRM-13942