Replacing MetaCatUtil.debugMessage or MetaCatUtil.logMetacat call with logMetacat (private Logger object) call
Change the code to make sure DocumentImpl class's constructor should have rev attached.
Added a check for eml2.0.1 documents in ContentTypeProvider.java
Fixed a bug which was introduced because 'eml2namespace' was replaced by 'eml2_0_0namespace' in metacat.properties
Fixed a bug that couldn't find eml2 data format.
Add code to handle eml2 contentype.
Add a new class to handle contenttyp setting for data file.