Update README.md
Delete unused files
Update README.md
Root context path
Updated invitation
Merge branch 'develop' of github.com:opendatacz/pc-filing-app into develop
UTF-8 translations handler added
Role specification

Two user accounts with different roles and one email address are now
allowed. Each account has its private graph with role+mail
Secured of private sections
Supplier calls - business entity url passing on
Updated namespace URIs
Removed fixed URI for relevant calls template
SPARQL Update requests for manipulating business entities
Updated SPARQL Update for business entities
Added more attributes of business entity
Minor rename
Updated how prefixes are provided
Prefixes config added
Fixed typo in i18n
Merge branch 'develop' of github.com:opendatacz/pc-filing-app into develop