512,513,514 import / export dpu template(s)
Merge branch 'develop' of https://github.com/UnifiedViews/Core into feature/469_export_import_dpu_template

Conflicts:
	frontend/src/main/java/cz/cuni/mff/xrg/odcs/frontend/gui/components/DPUCreate.java
469 after merge fix, null checks for setting descr and raw conf
update of plugin-devenv
update dpu-core-base pom file for deployment
update dpu-core pom file for deployment
469 change of name  for export xml file
Merge branch 'feature/469_export_import_dpu_template' into develop

Conflicts:
	plugin_devenv
latest version plugindevenv submodule linked
fixed wrongly merged code
Merge branch 'develop' into feature/frontend-CSS-styling

* develop:
  latest version plugindevenv submodule linked
  469 change of name  for export xml file
  update dpu-core pom file for deployment
  update dpu-core-base pom file for deployment
  update of plugin-devenv
  469 after merge fix, null checks for setting descr and raw conf
  512,513,514 import / export dpu template(s)