#281405: Temporarily raise memory requirement to 40M, to cut down on support requests post-alpha. Let's work to get this back to 32M shortly. :)

- Patch #684828 by dww: function update_requirements() doesn't return anything during install and stops the install process.

- Patch #46149 by Senpai, sun, alexanderpas, hunmonk, ChrisKennedy, tstoeckler, cwgordon7: prevent account cancellation for uid 1.

- Patch #683630 by Dave Reid: remove hard-coded 'administer nodes' checking in node_validate() and node_submit().

- Patch #590656 by pwolanin, Pasqualle: harden one-time login links against vulnerability from disclosure of SQL backups, or SQL 'SELECT' injection.

- Patch #638070 by carlos8f, Gábor Hojtsy, ksenzee, pwolanin, chx, catch: router loaders causing a lot of database hits for access checks.

#674394 by David_Rothstein: Move add/remove shortcut buttons to a theme setting, so that it does not appear on themes where it makes no sense.

#678546 by rfay and jhodgdon: Improve wording of help text in admin/config/regional/language/configure.

#642122 by scor and Stefan Freudenberg: Allow for RDFa datatype attribute without callback function.

#678012 by heyrocker and jhodgdon: Tokens should not use the word 'node' in human-readable descriptions.

#677534 by jhodgdon, andrewmacpherson, Bojhan, yoroy, et al: Fixed Customize still being used in place of Edit.

#617588 by dww and yoroy: Drastically improve the UI for the landing page before you actually update your site.

#649224 by David_Rothstein and ksenzee: Fixed Cannot run certain batch processes (tests, update manager, etc) with the overlay enabled.