Consider the case in which we set the datatype for literal when we are
creating r2rml from obda
Merge branch 'feature/r2rml' of github.com:ontop/ontop into feature/r2rml
Merge branch 'develop' into feature/r2rml
Checking bug with date in r2rml
Changed class R2rml Parser to handle the case of templates and constants
with datatype literals
added support for typed literal in r2rml constants object
Added the test for literal in r2rmlCheckerTest
Fixed TurtleFormatter to insert correctly column value in obda file
use ModelIOManager to create an obda file
Deprecate TurtleFormatter class
added datasource information when translating from ttl to obda
Changed R2rmlParser to construct literal from rr:column and removed
quotes from column if present
removed in Potege the alert for not supported triple with R2RML
test files added
added comments in the tests, removed some old test files
removed test class for r2rml mapping.ttl of PluginTest
add comments, removed not used files
Merge branch 'develop' into feature/r2rml
Merge branch 'develop' into feature/r2rml
Merge branch 'feature/r2rml' into develop