fixes #163 - report dropdown broken
fixed still using the wrong url for fetching models by status
fixes #160 - views for draft and pending elements
ModelCataloguePlugin #162 create Asset extendible element for file uploads

created Asset element
ModelCataloguePlugin #162 create Asset extendible element for file uploads

simple upload action
Removing reports from core plugin
ModelCataloguePlugin #162 create Asset extendible element for file uploads

upload action creating new asset
ModelCataloguePlugin #162 create Asset extendible element for file uploads

upload action updates existing asset if available
ModelCataloguePlugin #162 create Asset extendible element for file uploads

frontend for upload
ModelCataloguePlugin #162 create Asset extendible element for file uploads

first fully working example
ModelCataloguePlugin #162 create Asset extendible element for file uploads

extracted storage service
ModelCataloguePlugin #162 create Asset extendible element for file uploads

fixes #162
Merge pull request #178 from MetadataRegistry/issue/162-create-asset-element

Issue/162 create asset element
removing imports from karman plugin
added ng-loading-bar to display items loading automatically
added download url to ignored properties
added angular-auth-interceptor which will be used by the security service
fixed broken tests
abstract security service for model catalogue (no sec and read only)
directives for basic security service (login/logout, roles)