Add first version of import xml  functionality. Unfinished.
Basic upload own xml functionality ready.
Add owner organisation.
Merge branch 'development' into 221-import-from-xml
Changed the hard coded data access link
Changed resource file type
Fix owner organisation for use of parse_xml() (harvest_object not present).
Pid and name changes, short version. Added few comments and commented blocks for future changes.
Merge branch 'development' of https://github.com/kata-csc/ckanext-ddi into development

Conflicts:
	ckanext/ddi/dataconverter.py
Removed hard coded hash value, it made no sense.
Use iso639 instead of pycountry