Use constants instead of ids

See "changes"...

• chagned a lot of var names
• replaced region ids with constants

All regions (pre existing and new ones:

• public const QUIZ_AND_REGISTRATION_WORK_GROUP = 341;
• public const GLOBAL_WORKING_GROUPS = 392;
• public const EUROPE_REPORT_TEAM = 432;
• public const EUROPE = 741;
• public const EUROPE_BOT_GROUP = 881;
• public const TEAM_BOARD_MEMBER = 1373;
• public const TEAM_ALUMNI_MEMBER = 1564;
• public const TEAM_ADMINISTRATION_MEMBER = 1565;