* Added parameters for `savepoint are range for `x` and `y` for random savepoint coordinates.
* Added documentation for new savepoint params. Credits to @aleos89
* Updated savepoint on script to follow official behaviour (random save in 3x3). All credits to @Atemo
- Standardized cases on constants (Zeny, Sex, BaseLevel, etc.).
- Replaced numerics with constants.
- Standardized parts of script headers.
- Changed some script styles to K&R.
- Added some official script file names as comments.
- Replaced most 'misceffect' commands with 'specialeffect'.
Signed-off-by: Euphy <euphy@rathena.org>