CRM-15270 - exclude more tables from the log table creation method.

Attempting to create log versions of these tables results in errors.

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* CRM-15270: Enabling logging result in database error
  https://issues.civicrm.org/jira/browse/CRM-15270
CRM-15270 - cleaning code and future proofing on lobo's suggestion

See https://github.com/civicrm/civicrm-core/pull/4090/files#r17368220

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* CRM-15270: Enabling logging result in database error
  https://issues.civicrm.org/jira/browse/CRM-15270
Merge pull request #4150 from jmcclelland/logging-table-exceptions-4.5

CRM-15270 - exclude more tables from the log table creation method