Configuration & Security improvements

• Add password hashing (#70) (#82)
• Add environment configuration override (#3)
• Add godoc badge

v0.1.1a: Login & Registration API + CI

• #64 Remove JWT testing credentials & instructions from documentation
• #54 Add Login & Registration API
• #62 Add functional tests
• #15 Add CI
• #17 Add automatic test coverage check in CI

Alpha 0.1.0

• #1 Base structure of the Bloggo
• #4 API Blueprints
• #5 Unit tests
• #7 Dockerizing the Bloggo
• #8 Test credentials added to documentation
• #10 Persistent data storage: MySQL
• #11 JWT Authorization
• #13 Logo designed
• #23 Validation of blog posts via go struct tags
• #24 Database automatically populating
• #29 ReadAll route
• #30 Delete route
• #31 Update route
• #37 Postman collection
• #15 TravisCI integration
• #17 Coveralls.io integration
• #62 Functional tests