Fix EUnit test regression problem

In the gproc_dist_test, the receiving node of a counter update
would erroneously recalculate the aggregated counter, even though
the aggregated counter was replicated as well.

Merge branch 'master' of github.com:Feuerlabs/gproc

rebuilt local rebar with R14B04

Merge pull request uwiger#25 from norton/dev

Fix unused variables

Merge pull request uwiger#25 from norton/dev

Fix unused variables