1.3.2 Add bootstrap2 templates + improve tests and security

This release includes the merge of 3 major updates from other contributors to COPS:

1.3.2 Improve tests and security
Merge branch 'master' of https://github.com/peltos/cops - see @peltos

1.3.1 Update epub-loader resources
Merge commit 'refs/pull/424/head' of https://github.com/seblucas/cops - see seblucas#424 from @marsender

1.3.0 Add bootstrap2 templates
Merge branch 'master' of https://github.com/SenorSmartyPants/cops - see seblucas#497 and earlier from @SenorSmartyPants

See previous release for other changes compared to the original