* move emails images to website/static/emails and remove old files
* remove old client tests
* remove more files
* add sprites back
* cleanup gulp
* cleanup gulp
* remove old files
* more fixes
* pin bootstrap-vue
* disable old test
* remove old tasks
* fix apidoc
* upgrade node to version 6
* upgrade npm to v4
* update shrinkwrap
* use npm 4 in travis
* use mongoose 4.6.4
* update shrinkwrap
* fix async test and upgrade mongoose
* fix amazon test
* remove debugging code
* working tests with separate server
* update coupon code
* mupdate mongoose
* nvm: relax node version in .nvmrc