Drupal 7.27
Merge tag '7.27' into 7.x

7.27 release

Conflicts:
	CHANGELOG.txt
	includes/bootstrap.inc
Issue #1041486 by cs_shadow, lokapujya, eporama, Pancho: Fix docs for check_markup
Issue #2195357 by Rajendar Reddy, GoddamnNoise, Pol: Fix docs in hook_block_info()
Issue #1885420 by cs_shadow, kim.pepper, xjm: Fix docs for metadata on node access queries
Issue #2234611 by visabhishek, cs_shadow, joachim: Fix up docs for drupalCreateRole test method
Issue #1068840 by sun, TR, Liam Morland, Pancho, Alan D., tim.plunkett, Damien Tournoud, droplet: Country codes missing from includes/iso.inc.
Fix typo in CHANGELOG.txt.
Issue #2245057 by cs_shadow, joachim: Fix docs for entity_get_controller
Issue #2244087 by cs_shadow, andrei.dincu, joachim: Add explanation comment in NodeCreationTestCase
Issue #2169065 by MF82, dcam, nadja.jury, danmuzyka: Fix up some docs in search tests
Issue #2165143 by MF82, mgifford: Fix tigger misspell in node.test
Issue #61456 by Albert Volkman, jeffschuler, David_Rothstein, jdefay, edmund.kwok, pillarsdotnet, xjm, alex_b, csevb10, Steve Dondley: Write tests for issues with aggregator titles displaying quotes and other characters with HTML entity equivalents badly.
Issue #2106129 by brad.bulger, mmilano: Fix PHP notice in drupal_valid_path(): Undefined variable: form_item.
Issue #2065917 by SpadXIII, andrewbelcher, kboopathi: SelectQueryExtender::hasAnyTag uses hasAnyTags which doesn't exist.
Issue #2227687 by cs_shadow | Cottser: Slightly ugly error message if a module is incompatible with the version of core and the PHP version.
Issue #2159549 by Dave Reid: File_save() and file_delete() do not clear entity controller cache.
Issue #2130461 by Alan D.: Tracker pager is inconsistent with every other pager in core.
Issue #1333292 by dcam, mgifford | Everett Zufelt: Screen-reader users receive no info about file upload errors.
Issue #2021933 by Crell, David_Rothstein, joachim, lz1irq: Catch exceptions from queue workers.