gcc: use c++11 if possible

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@902 d0cd1f9f-072b-0410-8dd7-cf729c803f20
fix svn:executable atribute, trailing spaces, version include

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@903 d0cd1f9f-072b-0410-8dd7-cf729c803f20