rules 7.x-2.0-alpha4

Note that this ALPHA release requires entity API beta 6 or alter and Drupal 7.0 or later to work.

changes since ALPHA3:
#976748 fix tests to not use any duplicated entity properties
#993558 patch by sepgil: diverse data selector fixes and improvements
#993672 patch by sepgil: fixed data selector to work without clean-urls and improved the focus open behaviour
#995538 don't allow machine name changes to rules provided in code
#990198 moved the rules.module in the main module directory, thus fixing update-manager updates
#1002966 patch by kylethaynes: fixed type in modules disabled hook implementation
#1003872 fixed spelling mistake
fixed the condition invoking components to return the right result
#990514 patch by klausi and me: ported rules scheduler UI, overhauled rules scheduler, added possibility to manually execute components.
#904978 patch by klausi: overhauled admin UI such that breadcrumbs are preserved on rules edit pages.
added methods to ease re-using only conditions or actions of a rule
fixed entity module name in the docs
#1008324 patch by das-peter: fixed using multiple 'plugin' values as loading condition.
#1008810 updated Rules to be compatible with the latest entity API.
removed files from the .info file not containing any classes
updated rules for compatibility the latest entity API by removing the entity_metadata dependency as well as any calls to deprecated entity_metadata functions.
#1014292 fixed Scheduler UI to cause fatal errors on postgres
#1004348 make use of $entity->original for getting unchanged entities
#849532 fixed adding events to not list already events and to improve UX when adding events fails.
#995480 improved error messages when the integrity check fails.
#1014270 patch by me and sepgil: fixed data selector to look properly without a core patch