update to 2.6.0
Updated c.t.p.PartitionCollector in c.t.p.BasePartitionTap to be public.
update to 2.5.6
merge 2.5.5 into wip-2.6
Updated Apache Hadoop to 2.4.1 in cascading-hadoop2-mr1.
clean up deprecation warnings in build and use propdeps plugin for 'provided' configuration
first iteration of @Property annotations
revert back to propdeps plugin 0.0.5 and apply it only to subprojects
Fixed null handling problem in c.p.a.MaxBy and c.p.a.MinBy.
fix for dates in copyright header
Revert "Fixed null handling problem in c.p.a.MaxBy and c.p.a.MinBy."

This reverts commit 9d3b686f12e7953fb747e513e5ef02db24169eac.
Added Java Annotations to c.m.annotation for marking and granting access of custom properties to c.m.DocumentService implementations like the Driven plug-in. Instrumented core Operations, SubAssemblies, Taps, and Schemes.
Fixed null handling problem in c.p.a.MaxBy and c.p.a.MinBy.
Fixed null handling problem in c.p.a.MaxBy and c.p.a.MinBy. (corrected)
fix for typo
fixed incorrect ConstructorProperties annotations. added additional constructor argument checks.
don't make javadoc errors fail the build (JDK 8)
cleanup of annotation interfaces
Added ability to add more meta information about a c.f.Flow, which can be read and used by a c.m.DocumentService.
added c.m.a.Property and c.m.a.PropertyDescription to the values of c.o.Insert