adding some healthchecks
- Path Patch #1213242 by andypost: optimize count(has) quiery.
- Patch #1078176 by franz, agentrickard: block module renders blocks that are set to display on no pages.
- Patch #1259096 by Akaoni: cache Bin cache_path() is never cleaned up.
- Patch #1252696 by larowlan: docblock error with EntityFieldQuery->fieldCondition.
- Patch #1253298 by bfroehle: PHP Notice with statistics_exit().
- Patch #1244980 by sven.lauer: hook_menu()'s documentation doesn't include ITEM_to_arg().
- Patch #1193044 by Dave Reid: the [file:size] token may not always return in KB, despite description.
- Patch #988878 by Shyamala, Dave Reid: system_tokens() references a not initialized variable.
- Patch #1260790 by swentel, Damien Tournoud, klausi: a swentel as shortcut maintainer.
- Patch #1124786 by zambrey: fixed notice
- Patch #1261926 by droplet: remove duplicated CSS.
Issue #1204230 by xjm, sun, yched: Missing hook_field_widget_form_alter().
Issue #402896 by berdir, catch, andypost, dmitrig01, chx, pounard, sun, sdboyer: introduce DrupalCacheArray and use it for drupal_get_schema().
Issue #943772 by jpsoto, yched, catch, bojanz, pillarsdotnet, steinmb: Fixed field_delete_field() and others fail for inactive fields.
Issue #1214876 by brianV, Shyamala: Fixed Removing a poll choice doesn't actually work.
Issue #1002048 by Akaoni, Boobaa, joosts, sfyn, bfroehle: Fixed Work around move_uploaded_file() issues with safe_mode() and open_basedir().
Issue #1125662 by catch, Gábor Hojtsy, bfroehle: Fixed UpdateTestContribCase fails on sites with contrib modules/themes in the filesystem.
Issue #978944 by Aron Novak, chx, ksenzee: Fixed Handle exceptions thrown in cron.
Issue #1008580 by sun, xjm, Jeff Burnz, tim.plunkett: Fixed image references in forum.css.