Update dependency Lang 2.xx to Lang 3
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Key: CONFIGURATION-462
URL: https://issues.apache.org/jira/browse/CONFIGURATION-462
Project: Commons Configuration
Issue Type: Improvement
Components: Build
Affects Versions: 1.7
Reporter: Victor Pineda
Priority: Minor
Fix For: 1.8
Update commons lang dependency 2.xx, the new commons lang 3. To avoid the 2
units. Lang version 3 is better. Why not update the dependency?
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