Fix ACL missing ProgrammingError

Added timesketch.apps.acl to the INSTALLED_APPS section
Create CONTRIBUTING
Rename CONTRIBUTING to CONTRIBUTING.md
Merge pull request #21 from Splinks/patch-1

Fix ACL missing ProgrammingError
Update tests.py to match v1_resource.py

Fixed test in order to match up with v1_resources.py waiting for fix with size returning as list
Merge pull request #23 from Splinks/patch-2

Update tests.py to match v1_resource.py
Merge branch 'master' into 22-refactor-views
Remove ManyToMany field
SQL migrations
add_timeline without m2m
Add auto generated note on migration
Revert change for future cleanup
Add ToDos and comments
Resolve conflicts
Make views in Sketch a property
SketchView baseclass