Fix CVE-2018-1000632 on version-2.0.x

[harkue]

Fixes #55, and it need to release a version v2.0.3 to support JDK below 7.

[codecov-io]

Codecov Report

Merging #76 into version-2.0.x will increase coverage by 0.08%.
The diff coverage is 65.71%.

@@                 Coverage Diff                 @@
##             version-2.0.x      #76      +/-   ##
===================================================
+ Coverage            39.51%   39.59%   +0.08%     
- Complexity            1474     1482       +8     
===================================================
  Files                  145      145              
  Lines                 9437     9458      +21     
  Branches              1182     1187       +5     
===================================================
+ Hits                  3729     3745      +16     
  Misses                5335     5335              
- Partials               373      378       +5

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/org/dom4j/tree/QNameCache.java	72.3% <100%> (-5.48%)	16 <0> (-1)
src/main/java/org/dom4j/Namespace.java	76.19% <100%> (+0.78%)	25 <0> (+1)	⬆️
src/main/java/org/dom4j/datatype/SchemaParser.java	65.71% <50%> (-0.31%)	37 <0> (+2)
src/main/java/org/dom4j/QName.java	62.37% <70.58%> (+2.85%)	30 <4> (+6)	⬆️
src/main/java/org/dom4j/tree/NamespaceCache.java	88.37% <0%> (-2.33%)	12% <0%> (-1%)
src/main/java/org/dom4j/io/HTMLWriter.java	36.64% <0%> (+0.22%)	14% <0%> (ø)	⬇️
src/main/java/org/dom4j/DocumentHelper.java	71.83% <0%> (+1.96%)	23% <0%> (ø)	⬇️
src/main/java/org/dom4j/tree/DefaultNamespace.java	95% <0%> (+10%)	11% <0%> (+1%)	⬆️
... and 1 more

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[nijatismayilzada]

Hello, what is the planned date for the release 2.0.3 please?

[FilipJirsak]

Branch 2.0.x is now aligned with 2.1.x.