* new mapserver files, mapreg.h, mapreg_txt.c, mapreg_sql.c
* removed MAPREGSQL from project files / makefiles
* mapreg storage engine is now fully dependent on the server type
* added config settings mapreg_txt and mapreg_db to inter config
* added get_str() function to complement add_str()
* fixed txt mapreg code allowing too long variable names
git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@13081 54d463be-8e91-2dee-dedb-b68131a5f0ec