Bulgarian translation updated by Ivan Cenov (#17451)

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4013299
backport rails-4.1 r13296 to trunk

Add missing fixtures.

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4013301
add missing fixtures to test/unit/journal_test.rb

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4013302
remove unneeded statement from Issue#parent_issue_id=

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4013303