first commit of spring based security
second commit of spring security
temporarily remove file download/upload services
remove test
fix tests
third commit of spring security
finalize plugin permission manager
fix test
fix test
fix test
rename/fix test
change method accesibility to package-private for testability
show login page when requesting page for which no access is granted
remove old templates
rename pluginpermissionmanager to permissionmanager
manage entity class permissions through UI
replace molgenis entity-level security with annotation based spring security
various changes and fixes
entity class security
fix test