there's a few annoying issues that got fix in minor
versions bumps of Pig and Oozie. Hence I propose
that we modify the BOM slightly with:
Pig 0.11.0 -> 0.11.1
Oozie 3.3.1 -> 3.3.2
Solr 4.2.0 -> 4.2.1
These are all minor updates (bugfixes mostly) that
should not destabilize BOM too much.