Updated c.t.h.GlobHfs to use fewer resources when deriving member identifiers.
add new method Fields#appendSelector
revert Fields#append feature of retaining relative positions in favor of using Fields#appendSelector
updated javadoc
additional javadoc on using Hasher
updated readme to reference contributor agreement
clarity on non-equi-joins in javadoc
Fixed issue where c.t.Hasher was not honored during grouping in local mode.
force platform result comparison to be ignored for test
removes duplicate framework names
Fixed issue where c.o.t.DateParser would drop incoming Tuples if the argument was null.
Merge branch 'wip-2.2' of https://github.com/cwensel/cascading into wip-2.2