Improve scheduler interfaces. Closes #71

improve scheduler interfaces

See logs directly from schedules
New Feature: import/export task schedules. Closes #79
Don't dependent directly of jersey, use jax-rs instead. Closes #74
Remove jersey servlet. Make all root resource paths absolute to the module.
Scheduler: make ids unique. Remove unecessary code of jaxrs initialization.
Scheduler: don't show all when listing individual logs.
Disable json pretty-print in production mode. Closes #77
FileStorage public api should include read-only access to GenericFile set
Ensure supported locales list is not editable
Added default icon to bennu bootstrap. Fixes #65
Added appication.url configuration property for static programatic access to the application url. Useful in methods where the HttpServletRequest is not easily available. Fixes #80
FileStorageAdapter now return the correct size. Fixes: #69
Scheduler: Gracefully shutdown timer tasks. Closes #64
Created archetypes for bennu modules (bennu-project-archetype) and for bennu web-apps (bennu-webapp-archetype)
Added README and user documentation
README.md minor change
README.md minor change
dependency:analyze - added missing javax.ws.rs-api
[DSI Releaser] prepare release v2.1.0
Merge branch 'release/2.1.0' into develop
[DSI Releaser] prepare for next development iteration