Deprecate use of OvercrawlZipNumRecordWriter since its API has changed, and as far as we know, it's not used.
Deprecated and removed.  Use src/main/java/org/archive/hadoop/pig/ZipNumStorage.java instead.
Removed obsolete test.
Remove obsolete OvercrawlZipNumRecordWriter and uses thereof.
Change to use ZipNumOutputFormat, rather than ZipNumAllOutputFormat.
New versions of ZipNumOutputFormat and ZipNumRecordWriter which use
Hadoop-provided compression codecs.
Merge branch 'zipnumoutputformat'

Merging Aaron's brand new ZipNumOutputFormat which supports custom codec,
new properties, etc...