Issue #1002734 by pillarsdotnet, yched: Fixed Multiple 'Undefined index' notices in modules/field/modules/number/number.module.

- Patch #1309298 by sven.lauer: document that hook_(en|dis)able implementations should live in .install files.

- Patch #1307332 by pillarsdotnet: improve the docs for DrupalLocalStreamWrapper::getLocalPath() function.

Issue #1258176 by sven.lauer: API doc for element_children() is only useful for people who already know what 'children' are.

- Patch #1281932 by loganfsmyth: convert Drupal.t and Drupal.formatPlural regular expressions to extended form.

- Patch #1280522 by dcmouyard: _filter_autop() (line break converter) does not recognize html5 block level elements.

- Patch #1280530 by loganfsmyth: decouple domain/path negotiation setup from language configuration.

- Patch #1183430 by TR, oriol_e9g: t function strings should not have whitespaces at beginning or end.

Issue #1115106 by Damien Tournoud: Fixed Failures to update a field are not properly handed in SQL Storage and Field UI.

Issue #1300482 by pillarsdotnet: Fixed Remove cruft function_exists() from _field_filter_items() leftover from the (removed) function registry.

Issue #1295502 by pillarsdotnet: Fixed Add missing '$' character to docblock for timer_start(), timer_read(), and timer_stop() functions.

Issue #1295502 by pillarsdotnet: Fixed Add missing '$' character to docblock for timer_start(), timer_read(), and timer_stop() functions.

Issue #1167218 by droplet, kathyh: Fixed DatabaseStatementInterface::fetch* - document what empty return value is.

Issue #1244116 by catch: Fixed Feed items with title longer than 255 characters fail to insert into aggregator_item().

Issue #1297506 by alberto56: Fixed non-English installation: Call to undefined function _locale_import_read_po() in ../includes/install.inc on line 1113.

Issue #1011614 by catch: Fixed Theme registry can grow too large for MySQL max_allowed_packet() and memcache default slab size.

Issue #951644 by David_Rothstein, aschiwi, xjm: Fixed Requirement warnings (e.g. for PHP memory limit) are not shown on install or update unless there is a requirement error also.

Issue #1178580 by Dave Reid: Fixed PHP notices with [node:summary], [node:body], or [comment:body] if there is no body field or language mismatch.