Issue #2062399 by kattekrab, Kartagis, effulgentsia, cafuego, Damien Tournoud, beejeebus, Dries, cweagans, webchick: Add Percona to list of supported MySQL-like databases

- Patch #1029346 by David_Rothstein: Changed INSTALL.txt and UPGRADE.txt should mention that you can download Drupal as a .zip file also.

#1003968 by David_Rothstein, jhodgdon: Fixed Explain in INSTALL.txt that on some servers, the automated settings.php creation isn't expected to work

#882164 by aschiwi, Gábor Hojtsy, David_Rothstein, reglogge, et al: Fix the 'install from another language' instructions so that they actually work.

#418302 by David_Rothstein, dww, reglogge, and lots and lots of other people: Copy default.settings.php to settings.php during install if webserver owns files. Eliminates 'red error of death' during install for most shared hosting set-ups.

- Patch #569042 by nenne, jhodgdon: INSTALL.txt should explain about where to put new modules/themes.

- Patch #566494 by Dave Reid, chx, JoshuaRogers, David_Rothstein, Gábor Hojtsy, moshe weitzman, Rob Loach, TheRec, catch: fixed cron doing a full bootstrap on every page request (including cached ones).

- Patch #570572 by winston, David_Rothstein | Shai, Xano, alexanderpas, emmajane, kazar: changed label for user/1 account from 'administrator' to 'site maintenance account'.

- Patch #331611 by sun, joshmiller, TheRec, Rob Loach, Damien Tournoud: add a poormanscron-like feature to core.

#517814 by jmstacey, justinrandell, pwolanin, drewish, Jody Lynn, aaron, dopry, and c960657: Converted File API to stream wrappers, for enhanced private/public file handling, and the ability to reference other storage mechanisms such as s3:// and flicker://.

- Patch #218539 by keith.smith: mentioned the security team and the security bug report process in the INSTALL.txt

#79018 by pwolanin, catch, Morbus Iff: document how can one hide CHANGELOG.txt, etc. to improve security a slight bit

#204411 by catch: elevate MySQL requirements to 4.1.1 (the first production MySQL 4.1.x was 4.1.5 anyway)

#194369 by lots of contributors: move default files directory to sites/default/files which can be created automatically on install, so no need to bug the user about it, making the install process easier