Fixing up rspec features after shift in profile and user management.
Continued work on the user and devise interactions including deletion specs
Welcome page and sub page initial draft setup
Initial test driven implementation of spans with index and destroy implemented.
Turning on authentication for spans.
tokens and new defaults for users
Progress on spans and users and time zones.
Adding a client side time ago processor to reduce server load
Improving test coverage of the span model and generating better default locale files.
Adding a random data generator to work better with data validation on spans
Span model spec and validations stabilized and relatively complete.
Localization and page titles tightened up
Localization and code review
Improvements to the views and the tests
Fixing some copy changes in tests