fix typos
Merge pull request #1979 from nsanden/1975-doc-fixes

1975-doc-fixes
[ci skip]
Update ActiveRecord phpDoc
Merge pull request #1981 from slavcodev/typo-ar-phpdoc

Update ActiveRecord phpDoc
update copyright year
from 2011 to 2013
change copyright symbol
Fixes #1984 undeclared variable usage in CDbMigration
Merge pull request #1985 from papulovskiy/1984-cdbmigration-primarykey-fix

Fixes #1984 undeclared variable usage in CDbMigration
Copyright should be used in LISENCE file
(c) as is
no translation typo

fixes #1992
copyright statement in layout
Merge pull request #1983 from samsonasik/update/copyright

update copyright year
PHPDoc: cache dependency related methods' arguments type changed from CCacheDependency to CCacheDependency|ICacheDependency
Merge pull request #2000 from resurtm/ICacheDependency

PHPDoc: `CCacheDependency` → `CCacheDependency|ICacheDependency`