Upgrade to commons-text 1.5

NEW FEATURES
============

o TEXT-133:  Add a XML file XPath string lookup.
o TEXT-134:  Add a Properties file string lookup.
o TEXT-135:  Add a script string lookup.
o TEXT-136:  Add a file string lookup.
o TEXT-137:  Add a URL string lookup.
o TEXT-140:  Add a Base64 string lookup.
o TEXT-141:  Add org.apache.commons.text.lookup.StringLookupFactory.resourceBundleStringLookup(String).
o TEXT-142:  Add URL encoder and decoder string lookups.
o TEXT-143:  Add constant string lookup like the one in Apache Commons Configuration.

FIXED BUGS
==========

o TEXT-139:  Improve JaccardSimilarity computational cost Thanks to Nick Wong.
o TEXT-118:  JSON escaping incorrect for the delete control character Thanks to Nandor Kollar.
o TEXT-130:  Fixes JaroWinklerDistance: Wrong results due to precision of transpositions Thanks to Jan Martin Keil.
o TEXT-131:  JaroWinklerDistance: Calculation deviates from definition Thanks to Jan Martin Keil.

CHANGES
=======

o TEXT-132: Update Apache Commons Lang from 3.7 to 3.8.1