Update civicrm_state_province.tpl

CRM-14843 - Add two missing regions for Chile (Los Rios and Arica y Parinacota) and update the name for Region Metropolitana de Santiago to Santiago Matropolitan for consistency.
Update 4.5.alpha2.mysql.tpl

CRM-14843 - Add two missing regions for Chile (Los Rios and Arica y Parinacota) and update the name for Region Metropolitana de Santiago to Santiago Matropolitan for consistency.
Merge pull request #3497 from crusonweb/patch-1

CRM-14843 fix - 3 Missing Regions in Chile