fix forms for mc
Merge remote-tracking branch 'origin/devel' into devel
Added settings for proxy certificate
Model changed to work both with Oracle and Sqlite
Added handling for possible wrong data from VOMS
Added simple output for the command execution results
Merge branch 'sbelov_sso-voms-v2' into devel
DEFT API client (to be replaced with subtree import)
Added settings for DEFT API access
Fixed nickname/dn  pairs comparison
Add Validation group
Code refactored.
Fixed tasks management with DEFT API.
VOMS interface changed to take all options only from parameters given. Method 'get_identity_options' fixed to have
no potential side effects on environment variables.
Initialize VOMS interface with options from setting s only.
PAckage 'python-requests' added to dependencies (needed for DEFT API)
Removed middleware file (not needed anymore).
Settings files changed to enable authentication backends
Add formats for MC Reco steps
Added login and logout urls
add dataset list textarea