ticket:10234: performance improvements in Layout:  (1) in LETableReference, making some functions inline (minimal), (2) OpenTypeUtilities  moving range checking out of the inner loop, and the big one is (3) GlyphIterator, caching the result of filterGlyph. (caching more than one had minimal or negative improvement)


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33845 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10233: modernize #include usage, also add a verbose log for the data driven test

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33846 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10233: oops, demodernize this one for Windows build


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@33847 251d0590-4201-4cf1-90de-194747b24ca1