Moving 2.5.2 to be 2.5.3, inserting a clause for self-removal from the society as 2.5.2.
Modify 2.5.2 to say the member should write to the executive, not just email from CSE account.

Accounts for associate members. As voted at 2013 AGM.
Merge pull request #8 from bethc/2013-Amendment-2.5.3

2013 amendment 2.5.3