Upgraded raphael.js to 2.1.0 (#10419).

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Revision graph sometimes broken (#11612).

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Moved the javascript includes in html head.

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Use javascript_tag.

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Set the first day of week in the date picker according to settings (#11814).

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Code cleanup (#11814).

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Redmine.pm fails when permissions are NULL (#11818).

Contributed by John Yani.

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Fixed comment.

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add copyright statement to test/unit/lib/redmine/scm/adapters/*.rb

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Japanese translation updated by Go MAEDA (#11836)

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remove unused "require 'iconv'" from RepositoriesHelper

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remove redundant empty lines from RepositoriesHelper

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remove unused "require 'redmine/codeset_util'" from RepositoriesHelper

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scm: git: change test author encoding in unit adapter test to ASCII-8BIT

Author encoding in adapter is ASCII-8BIT.

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scm: git: remove unnecessary encoding header from unit adapter test

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scm: bazaar: add asserting entries subdirectory path at unit app test

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scm: bazaar: do not use file:// for repository path at unit app test

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scm: bazaar: separate constant repository path to repository and trunk branch at unit model test

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scm: bazaar: add diff test to unit lib test

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scm: mercurial: add test of diff from new to old revision to unit lib test

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