flag 7.x-3.5

Changes since 7.x-3.4:

Bugfixes:

• #2196085 by cs_shadow: Fixed hook_entity_delete() getting invoked only after field data is deleted.
• #2121053 by joachim: Fixed field_attach_presave() getting called too late on when inserting or updating a Flagging.
• #2255199 by jhedstrom, joachim: Fixed button in flagging confirm form showing raw HTML tags if the flag link text contains HTML.
• #2254417 by joachim: Fixed Flagging fields in flag confirm form not getting validated by Field API.
• #2238349 by czigor: Fixed Issue-User who flagged the xxx rules action does not respect global flag.
• #2207543 by cs_shadow: Fixed strict warning with array_keys().

New features:

• #2027091 by hefox, jhedstrom: Added hook_flag_default_flags_alter to allow altering of default flag definitions.

Code clean-up and tests:

• #2257603 by joachim: Moved code for populating or creating a Flagging entity to be together.
• #2196055 by joachim: Added testing of Flagging properties, restoring commented-out assertions.
• #2254415 by joachim: Removed todo regarding field_attach_validate(), added documentation stating the caller's responsibility to perform Field API validation.
• #2254399 by joachim: Removed pointless checking of $account: it is always at least set to the $user global.
• #2254171 by joachim: Moved Rules event invocation to a helper method.
• #2250543 by joachim: Removed pointless call to get_flagging().
• #2202969 by joachim: Changed low-level helper methods for flag_flag::flag().
• #2245601 by cs_shadow, joachim: Fixed coding standards errors.
• #2210061 by cs_shadow: Changed UI labels of test cases to remove 'Flag' prefix.