Workflux

In this release, we have renamed the project to workflUX to reflect that we will support multiple workflow languages in the future.

This is a service release and the last release before the package is renamed to:

**workflUX**

Changelog:
- Important fix for correct interpretation of boolean input parameters
- fix when importing via packed CWL file or zip (permission errors)

Changelog:
- fix incomplete dependency list in setup.py
- fix reading of secondaryFiles

Changelog:
* import of CWL is now possible from URL and from ZIP file
* implemented error tracing and logging (especially for unkown errors)
* send email on completion of run via unix sendmail (unix only, sendmail must be configured with a default sender email)
* the time is displayed for any message on the front end
* items in the file browser are now sorted
* several bug fixes
* (prepare for support of Janis and WDL workflows, this feature is still disabled in this release)

Many thanks goes to illusional for help on implementing Janis parsing.

Changelog:
- display doc for workflow and input parameters
- implemented qeueing of runs
- implemented download functionality for results
- implemented server file browser
- implemented upload of input file to server
- display specialized fields for File, numbers, and boolean parameters
- users may choose a custom directory for searching
- users may disable validation
- add optional user login
- secure routes for which login is required
- implement admin dashboard