Issue #1453984 by xjm, naxoc, Dave Reid, underq, dags, tim.plunkett, Heine: Fixed Color module doesn't test for unlimited memory.

Issue #606598 by andypost, BarisW, stBorchert, David_Rothstein, sun, aspilicious, joachim, danielbeeke2, Sutharsan: Added human readable labels to image styles.

Issue #1811520 by JacobSanford, lirantal: Add section tags to theme, hook_menu, and t documentation.

Issue #1739986 by RobLoach, pwolanin, sun, Berdir, moshe weitzman, andypost, dcam: Fixed fallback in drupal_get_hash_salt(), move it to bootstrap.inc, use instead of $GLOBALS['drupal_hash_salt()'].

Issue #1605040 by TravisCarden, mitron | EdgarPE: Fixed drupal_send_headers() ignores headers with valid but falsy values.

Issue #1873608 by David_Rothstein: Improve documentation of format_string() to emphasize that it is used to prepare variables for HTML display.

Issue #1494676 by Liam Morland, cam8001: Removed unused variable $http_protocol in drupal_settings_initialize().

Issue #1436814 by gary4gar, kid_icarus, netol, webchick, droplet, andypost: Fixed Fast 404 'Not found' pages are missing a doctype.

Issue #1239410 by cangeceiro, swentel, jbrown: Fixed watchdog() should use php's time() to log time of event.

Issue #1436272 by Albert Volkman, colette, dandaman, coolestdude1: Add information to documentation of drupal_bootstrap function

Issue #1576300 by pwolanin: Fixed trim() expects parameter 1 to be string, array given in request_path() (line 2732 of bootstrap.inc).

Issue #598586 by grendzy, deekayen, matglas86, dawehner, Zgear: Fixed watchdog() assumes  is defined.