Ignore nb files in gitignore
Merge branch 'master' of https://github.com/Qwinix/campaign_app into campaign
add the configuration
deleted the tested files
making changes in the advertiser_spec.rb
Merge branch 'master' of https://github.com/Qwinix/campaign_app into hemashri_testing_18_july
test the 3 more models
Merge branch 'hemashri_testing_18_july' of https://github.com/Qwinix/campaign_app into hemashri_testing_18_july
 added campaigns
added campaign migrate