Adding support to new table RelNodeTypeMetadata
Merge branch 'develop' of https://github.com/XIMDEX/ximdex into feature/metadata-nodetypes
Adding useful methods to get metadata options for a node
Using service instead of model class
Solving sintax bugs
Merge branch 'feature/metadata-nodetypes' into develop
Merge branch 'develop' of https://github.com/XIMDEX/ximdex into develop
Adding support for ontologies in relaxng of metadata
Solving name fail
Resolving bug. Replace templates_include of section after rename template
Supporting rdf as default extension like xml
Updating getSectionPath
Merge branch 'develop' of github.com:XIMDEX/ximdex into develop

* 'develop' of github.com:XIMDEX/ximdex:
  Resolving bug. Replace templates_include of section after rename template
  Solving name fail
  Adding support for ontologies in relaxng of metadata
  New translated strings
  Solving sintax bugs
  Using service instead of model class
  Adding useful methods to get metadata options for a node
  Adding support to new table RelNodeTypeMetadata
Deleting some unuseful classes for ximTAGS module.
New entry on Namespaces table for the OntologyBrowser
Merge branch 'develop' of https://github.com/XIMDEX/ximdex into feature/xtags-review