Results 3 issues of Dirk Franssen

fixes #86 - Possible classpath scanning issues by using XPathFactory.newInstance()

In pre 2.0 releases the dxa-tridion-provider is using `XPathFactory.newInstance()` in the `XPathResolver` enum to create an `XPathExpression`. By using that `XPathFactory.newInstance()` a _suitabable_ factory implementation will be found by scanning...

enhancement
PR