Add test status image
Break test on purpose to test travis status image
Revert "Break test on purpose to test travis status image"

This reverts commit c95a03451002413e6dbbfe00ed1841a4e6528668.
Merge with master
Add COALESCE
Add coalesceLongTest
Add coalesceLongTest.pig
For COALESCE, return null for empty or null input
Merge pull request #37 from matthayes/master

Add a COALESCE UDF
Use pig 0.11.1 for testing, use pigunit from maven
Merge branch 'master' of https://github.com/linkedin/datafu