Basic task to download a file to a given location
Updated task to handle not existing directory path
Initial OxPoints downloading files
Handle network errors
Fix permission on task to allow file overwrite
Fix task syntax (celery 3.0 style)
OxPoints formatting: optionnally choose the separator
Extracted method to fetch images
Added file_type
Only import images if static files dir has been defined
Do not store the full path in the index
Corrected property name
Expose files in representation
Merge branch 'master' into proxy_files

* master: (41 commits)
  Set a default value for additional filters
  Extracted function from view to find additional filters, added unit test
  Filter on some fields whitelisted
  Fix bug where query was url encoded multiple times -- should rely on search implementation to do so, not services
  pep8 and style correction
  Removed unused import
  Added additional filter queries
  Removed some code that was handling an implicit filtering on types
  Pop arguments to prepare additional filters
  Added parameter has_accessible_access
  Updated representation of accessibility
  Do not expose _accessibility_has_access_guide_information
  Do not add the key "has access guide information" if false
  Fix issue with accessibility vocabulary (mispelling), ensure that we do get a warning if the value is not expected
  Refactored namespaces
  Added properties main_entrance_levelness and main_entrance_opening_type
  Reversed logging 2c38e85
  Changed serialization to text/turtle as it is removing the issue we were having with tel: links ?!
  Added new namespace
  Updated logging
  ...

Conflicts:
	moxie/places/importers/oxpoints.py
	moxie/places/tasks.py
Accessibility guide / updated vocabulary
Accessibility / index name and content in accessibility guide
Moved download_file into moxie.core.tasks
Merge pull request #57 from ox-it/proxy_files

Proxy files
Updated park and rides provider to use KVService
Merge branch 'master' of github.com:ox-it/moxie

* 'master' of github.com:ox-it/moxie:
  Moved download_file into moxie.core.tasks
  Expose files in representation
  Corrected property name
  Do not store the full path in the index
  Only import images if static files dir has been defined
  Added file_type
  Extracted method to fetch images
  OxPoints formatting: optionnally choose the separator
  Fix task syntax (celery 3.0 style)
  Fix permission on task to allow file overwrite
  Handle network errors
  Initial OxPoints downloading files
  Updated task to handle not existing directory path
  Basic task to download a file to a given location