Transferring blueprint from apiary.io
Adding API file from apiary.io

Merge branch 'master' of https://github.com/otternq/EFactor into dev-api
Adding /api as the primary endpoint
API - cleaning WorkSession model
API - cleaning POST /worksession endpoint
Retrieving API documentation updates

Merge branch 'master' of https://github.com/otternq/EFactor into dev-api
Adding documentation about the API to README.md