added i18n for language files to mirror
revert to centos 6.5
updated for centos 6.6
added check for postgres version
added updates for centos 7
Updated for centos release version
update script for Centos 7 mirror
removed saucy from update list
updated for postgresql 9.2 and 9.3 and centos 6.5
added update for trusty tahir
updated comments