add summary file
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 summary_file

Conflicts:
	redelm-pig/src/main/java/redelm/hadoop/RedelmFileWriter.java
	redelm-pig/src/main/java/redelm/hadoop/RedelmOutputFormat.java
Merge pull request #17 from julienledem/summary_file

Summary file
remove currentNodePath from reader and improve perf a lot
Merge pull request #19 from julienledem/remove_currentNodePath_from_reader

remove currentNodePath from reader and improve perf a lot
Merge branch 'master' of github.com:julienledem/redelm into better_InputFormat_logs

Conflicts:
	redelm-pig/src/main/java/redelm/hadoop/RedelmRecordReader.java