Using ENV for configuration over node-config
Merge pull request #28 from fashiontec/replace_config

Using ENV for configuration over node-config
Fixed a link
Simplify config management
Adding new templates for measurement views.
Adding new views for create and edit measurements. Work on validation and some UI changes will be added soon.
Small change to correctly return url for image.
Adding image button in measurement home and few changes with form.
Few changes with code indentation.
Code clean up changes, removing few unncessary values.