Update travis-ci.rake

Update .travis.yml

Update .travis.yml

Update .travis.yml

Update travis-ci.rake

Add task to test db setup

Update .travis.yml

test db:migrate and db:seed on travis

Update travis-ci.rake

fix missing end

try to fix travis-ci

reason for travis-ci migration has found

恢复factory_girl来观察影响

增加rake db:test:prepare观察是否能解决

use db:test:load

use block for create model reference in factory girl

factory_girl => require :false

require factory_girl in spec_helper.rb

run db:migrate and db:test:preparea before build

before-script => before_script