toggle test coverage based on env variable
Merge pull request #218 from DefactoSoftware/toggle-coverage

[READY] toggle test coverage based on env variable
Move GA key to env variable, and script to partial. Fixes #217
add edit page for projects
add billable to a project
Merge pull request #221 from johnthepink/move-google-analytics-to-env-variable

Move Google Analytics
Merge pull request #212 from DefactoSoftware/marcel/billable-project

[READY] Marcel/billable project
add archived to project, add a list with archived projects
Project dropdown only shows un-archived projects

Also classes are added to archive and un-archive links on the project page.