Bug 908997 - Simplify XPathEvaluator - move files and rename class. r=bz.

--HG--
rename : content/xslt/src/xpath/nsXPathEvaluator.cpp => content/xslt/src/xpath/XPathEvaluator.cpp
rename : content/xslt/src/xpath/nsXPathEvaluator.h => content/xslt/src/xpath/XPathEvaluator.h
extra : rebase_source : 590597171603854196bd6f6377753dbd34fd0658
Bug 908997 - Simplify XPathEvaluator - remove nsIXPathEvaluatorInternal. r=bz.

--HG--
rename : content/xslt/src/xpath/nsXPathEvaluator.cpp => content/xslt/src/xpath/XPathEvaluator.cpp
rename : content/xslt/src/xpath/nsXPathEvaluator.h => content/xslt/src/xpath/XPathEvaluator.h
extra : rebase_source : 3aa2f8f50c683b641904a0653a128c06cf1afb30
Bug 908997 - Simplify XPathEvaluator - remove aggregation from XPathEvaluator. r=bz.

--HG--
rename : content/xslt/src/xpath/nsXPathEvaluator.cpp => content/xslt/src/xpath/XPathEvaluator.cpp
rename : content/xslt/src/xpath/nsXPathEvaluator.h => content/xslt/src/xpath/XPathEvaluator.h
extra : rebase_source : 163d25a36f52f8f8fa8b6952bcf1bc83de14230b