Rails4: replace deprecated find_all_by_* at IssuesController

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012579
Rails4: replace deprecated Relation#update_all at IssuesController

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012580
remove unneeded Relation#all from WorkflowsControllerTest#status_transitions

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012581
Rails4: replace deprecated Relation#last with finder options at IssuesControllerTest

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012582
Rails4: replace deprecated find_all_by_* at WorkflowsController#copy

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012583
Rails4: replace deprecated Relation#first with finder options at IssueRelationsControllerTest

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012584