NR-462 : Upload User Image functionality missing

Extend paths of a model with the paths of it's parent
NR-462 : Upload User Image functionality missing

Extend paths of a model with the paths of it's parent
NR-462 : Upload User Image functionality missing

Fixed crash on uninitialized paths
NR-462 : Upload User Image functionality missing

Fixed crash on uninitialized paths
Merge branch '462-user-image-upload' of dev.sourcefabric.org:ally-py into 462-user-image-upload
NR-462 : Upload User Image functionality missing

Extend paths of a model with the paths of it's parent
NR-462 : Upload User Image functionality missing

Fixed crash on uninitialized paths
Merge branch '462-user-image-upload' of dev.sourcefabric.org:ally-py into 462-user-image-upload

Conflicts:
	components/ally-core-sqlalchemy/ally/support/sqlalchemy/util_service.py
	plugins/gui-core/gui-resources/styles/css/custom.css
NR-462 : Upload User Image functionality missing

Extend paths of a model with the paths of it's parent
NR-462 : Upload User Image functionality missing

Fixed crash on uninitialized paths
Merge branch '462-user-image-upload' of dev.sourcefabric.org:ally-py into 462-user-image-upload

Conflicts:
	components/ally-core-sqlalchemy/ally/support/sqlalchemy/util_service.py
	plugins/gui-core/gui-resources/scripts/js/gizmo/superdesk.js
	plugins/gui-core/gui-resources/styles/css/custom.css
Merge branch '462-user-image-upload' into devel