CRM-13913 - api/v3/WordReplacement - Set default (is_active=1)

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* CRM-13913: WordReplacements created via API should default to enabled
  http://issues.civicrm.org/jira/browse/CRM-13913
Merge pull request #2162 from totten/4.4-wp-active

CRM-13913 - api/v3/WordReplacement - Set default (is_active=1)
Merge remote-tracking branch 'upstream/4.4' into 4.4-master-2013-12-04-16-27-01
CRM-13913 - civicrm_word_replacement.is_active - Default to 1

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* CRM-13913: WordReplacements created via API should default to enabled
  http://issues.civicrm.org/jira/browse/CRM-13913
CRM-13913 - api/v3/WordReplacement - Remove is_active default

The API-based default is redundant with the schema-based default.

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* CRM-13913: WordReplacements created via API should default to enabled
  http://issues.civicrm.org/jira/browse/CRM-13913