Added docs for connection update.
Added docs for delete connection.
Added documentation for querying connections.
Merge branch 'master' of https://github.com/appacitive/appacitive-docs into connections

* 'master' of https://github.com/appacitive/appacitive-docs:
  Changed the email explanations
  Added the email API documentation
  made content width 100% for resolutions less than 1180px
Merge pull request #6 from appacitive/connections

Basic CRUD and querying documentation for connections.