Merge branch 'develop'

* develop:
  remove unused file
Merge branch 'react'

* react: (59 commits)
  update convict to 0.5.x
  add gzip compression
  update dependencies and add minification
  codestyle
  add mongoose error handling and automatic reconnect
  use correct path for external script dependencies component
  move external script dependencies to end of body
  remove circle ref
  update readme
  update readme
  use consistent style
  cleanup
  cleanup
  cleanup and rename reactapp
  remove gulp mocha test
  add jest to readme
  add jest testing framework
  remove comments
  cleanup / code styling
  add product model
  ...
Merge branch 'develop'

* develop:
  use corrent dependency for session memory store
Merge branch 'develop'

* develop:
  use correct status code for creating comment
add session store error handling
Merge branch 'master' into develop

* master:
  add session store error handling