[IMP] Changed all module categories, limited number of categories

addons/account/__openerp__.py

addons/account_accountant/__openerp__.py

addons/account_analytic_analysis/__openerp__.py

addons/account_analytic_default/__openerp__.py

addons/account_analytic_plans/__openerp__.py

addons/account_anglo_saxon/__openerp__.py

addons/account_budget/__openerp__.py

addons/account_cancel/__openerp__.py

addons/account_chart/__openerp__.py

addons/account_coda/__openerp__.py

addons/account_followup/__openerp__.py

addons/account_invoice_layout/__openerp__.py

addons/account_payment/__openerp__.py

addons/account_sequence/__openerp__.py

addons/account_voucher/__openerp__.py

addons/analytic/__openerp__.py

addons/analytic_journal_billing_rate/__openerp__.py

addons/analytic_user_function/__openerp__.py

addons/association/__openerp__.py

addons/auction/__openerp__.py