Fix event contribution_type FK error CRM-12312
CRM-12308 Removed reference to a non-existent template. Checked that $initialPayment which triggers the include is not declared anywhere in the codebase. This was cruft left-over from partial payment functionality which is partially implemented under CiviAcocounts branch and then removed.

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* CRM-12308: Missing template file
  http://issues.civicrm.org/jira/browse/CRM-12308
Merge pull request #362 from colemanw/CRM-12312

Fix event contribution_type FK error CRM-12312
Merge pull request #363 from davecivicrm/CRM-12308

CRM-12308 Removed reference to a non-existent template. Checked that $in...
fix whitespace
add in-code documentation
Merge pull request #365 from eileenmcnaughton/4.3

whitespace line endings & incode documenation