Implementing Helmet for Security
updated this.Class.model to this.Class.Model
fix(background-tasks): Removed old loader component
Refactored require syntax for consistency;
Pluralized model and service folder names and refactored requires;
Updated model index.js to have sequelize and config injected; updated require for models in bin folder files;
Merge pull request #46 from clevertech/issue31-extra

feat(require-modules): Fixed ./../../../ issue with require, /src/ is now on NODE_PATH
Removed strict transport security policy from security config; fixed issue with xframe options header only returning deny;
Removed CSP by default since node is only serving our API requests;
Updated readme with some info on security config.
Merge pull request #43 from clevertech/issue37

feat(helmet): Implementing Helmet for Security
Merge branch 'master' of https://github.com/clevertech/cleverstack-node-seed into issue18

Conflicts:
	bin/seedModels.js
	src/services/BaseService.js
	src/utils/injector.js