add a new option for customizing the i18n table pk column name
add a new option for customizing the i18n table pk column name

rozwell/Propel,tbl0605/Propel-pervasive,gencer/Propel,rozwell/Propel,propelorm/Propel,gencer/Propel,sh0dow/Propel,bjdelange/Propel,halfer/Propel,halfer/Propel,mhitza/Propel,AriaSystems/Propel,mhitza/Propel,zachmay/Propel,adrianrusnarczyk/Propel,PatidarWeb/Propel,AriaSystems/Propel,sh0dow/Propel,bjdelange/Propel,Egston/Propel,zachmay/Propel,PatidarWeb/Propel,adrianrusnarczyk/Propel,Egston/Propel,tbl0605/Propel-pervasive,propelorm/Propel