running db:migrate && db:seed as different rake commands

this allows all the models to be reloaded before the
seed script is run, without having to call
reset_column_information manually
adding post sync url to config template
fixing references to AppConfig
removing pulpv2 prefix from pulpv2 branch
changing default config template port for post_sync_url
Merge pull request #1478 from jlsherrill/pulpv2-postmerge

Couple of post pulpv2 merge fixes
merge conflict
Merge pull request #1472 from jlsherrill/reset-db-fix

running db:migrate && db:seed as different rake commands