DataSource now back to SVN version as of Sept 10 2013

Some things commented out for now.
Updated to SVN Sept 10 2013 javadocs only
Merged in tests from SVN Sept 10 2013
Updated to svn version Spet 10 2013
updates from SVN version Sept 10 2013
removed test dupicated in another better named class
Fixed spelling of Ensembl
Aoiding sysCode and fullName changes
Detect sysCode or fullName changes
Fixed missing tabs
Removed non miriam urnbases
Saved only the id part of a miriambase
Added identifiers.org methods on top of Urn ones.
Miriam base exposed as UrnBase or Identifers.org base
block attemot to change none null mainUrl
Uri may not be overridden and returns null instead of invalid.
Merge branch 'develop' into svnMerge
Stricter DataSource
Prepared but not yet diabled ability to create DataSource sith null fullName or null sysCode
Merge branch 'Christian' into svnMerge