CRM-9759 clarifying Component dropdown labels for add/edit activity type form.

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* CRM-9759: Clarify Component field options when creating a new activity type
  http://issues.civicrm.org/jira/browse/CRM-9759
CRM-9759 add missing ts.

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* CRM-9759: Clarify Component field options when creating a new activity type
  http://issues.civicrm.org/jira/browse/CRM-9759
Merge pull request #1023 from davecivicrm/CRM-9759

CRM-9759 clarifying Component dropdown labels for add/edit activity type...