#280930 by pillarsdotnet, oadaeh, David_Rothstein: fall back on an empty array if hook_schema is not defined for a module

#881540 by bjaspan: make syslog identity configurable on the user interface (instead of hardwired to 'drupal')

#764548 by Dave Reid, sun: backport hiding of hidden modules on the modules page, so if projects include hidden modules for testing, those will not confuse users

#494462 by z.stolar: modify robots.txt to give search engine crawlers permission to index content in /sites/*, such as images uploaded to the site

#860154 by Zoltán Balogh, zserno: locale module import code state machine inconsistency ends up in ignored plural string variants

#365597 by JohnAlbin, Jody Lynn, mfb, zyxware, paul.lovvik: OpenID logins show Access denied after login due to redirection issues

#767512 by jhedstrom, Damien Tournoud, marvil07: make drupal_unpack() and user_save() more robust to avoid issues with empty keys in the data array

#488166 by jhutton, brianV, EmanueleQuinto: search relavence calculation was broken if last_comment_timestamp was NULL

#303987 by CitizenKane, jhodgdon, rdrh555: improve documentation of url() and l(), so usage of different path types and arguments is more clear

#276876 by mr.baileys, rdrh555: document that we suggest to use lowercase names with the variable_*() API due to database backend behaviors

#629958 by jhodgdon, rdrh555: improve documenatation consistency and mention the node variable in page.tpl.php

#845672 follow up to #360605 by Damien Tournoud, Berdir, Dave Reid: previous (unreleased) fix inadvertantly turned on E_DEPRECATED on machines where it was off

#444228 by raulgigea, donquixote, Tri, mikeytown2, JohnAlbin, dicreat, ridgerunner, casey, jonne_jvl: Optimize CSS option causes PHP CGI to segfault in PCRE function 'match' under certain conditions

#828706 by oadaeh: use module_load_install() instead of module_load_include() in drupal_get_schema_unprocessed()