[LIB_HUBZERO] add COM_TOOLS_ prefix to all language strings in Tool.php
[LIB_HUBZERO] add COM_TOOLS_ prefix to all language strings in Tool.php

zooley/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zweidner/hubzero-cms,anthonyfuentes/hubzero-cms