[DEL] sale_contract: move to Enterprise

.tx/config

addons/sale_contract/__init__.py

addons/sale_contract/__openerp__.py

addons/sale_contract/data/sale_contract_cron.xml

addons/sale_contract/data/sale_contract_data.xml

addons/sale_contract/demo/sale_contract_demo.xml

addons/sale_contract/i18n/account_analytic_analysis.pot

addons/sale_contract/i18n/ar.po

addons/sale_contract/i18n/bg.po

addons/sale_contract/i18n/bs.po

addons/sale_contract/i18n/ca.po

addons/sale_contract/i18n/cs.po

addons/sale_contract/i18n/da.po

addons/sale_contract/i18n/de.po

addons/sale_contract/i18n/el.po

addons/sale_contract/i18n/en_GB.po

addons/sale_contract/i18n/es.po

addons/sale_contract/i18n/es_AR.po

addons/sale_contract/i18n/es_CR.po

addons/sale_contract/i18n/es_EC.po