Rails4: replace deprecated Relation#update_all at Enumeration model

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012510
Rails4: replace deprecated Relation#update_all at IssueStatus model

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012511
Rails4: replace deprecated Relation#update_all at Member model

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012512
Rails4: replace deprecated Relation#update_all at BoardsControllerTest

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012513
Rails4: replace deprecated Relation#first with finder options at ChangesetTest

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4012514