add status header
implement empty bag != null bag
cleanup unnecessary variables
first stab at pregenerated Pig consumer
use non spillable databag for records
make Map work
add summary file
Support for short int columns by JCoveney  https://github.com/jcoveney/redelm rep_def_column
add pig snapshot
fixed doc based on jco's comments
Merge branch 'master' into summary_file

Conflicts:
	redelm-pig/src/main/java/redelm/hadoop/RedelmFileWriter.java
	redelm-pig/src/main/java/redelm/hadoop/RedelmRecordReader.java
Merge branch 'master' into preprocess_pig_schema
Merge pull request #13 from julienledem/fix_empty_bag_equals_null_bag

Fix empty bag equals null bag
fix build warning
fix compression javadoc
add documentation images
updated format diagram
fix Codec Logging
Merge branch 'master' into preprocess_pig_schema
fix exception handling
fix exceptions in Converters