PDFBOX-678: support all text rendering modes for Glyph2D

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1616324 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1915: use PaintContext deviceBounds and BBox for types 1,4,5,6,7, as done by Shaola Ren in GSoC2014

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1616329 13f79535-47bb-0310-9956-ffa450edef68