ETCH-243 Small Fixes

Added virtual destructors
Added custom HashTable sizes inside of EtchConfig.h
Added some logging

Change-Id: I97cc1778909d9882c2b42cf7833b02bd29dd2f0d

git-svn-id: https://svn.apache.org/repos/asf/incubator/etch/trunk@1399116 13f79535-47bb-0310-9956-ffa450edef68
16 files changed