FreeBSD/doc d1d4e45 (r52873)en_US.ISO8859-1/books/porters-handbook/special chapter.xml, en_US.ISO8859-1/books/porters-handbook/uses chapter.xml

Porter's Handbook: Update KDE and Qt sections

- Remove mention of KDE/Qt 4
- Update examples to use KDE/Qt 5
- Update USE_KDE, USE_QT component lists

Approved by:    mat, tcberner
Differential Revision:  https://reviews.freebsd.org/D19605
DeltaFile
+1,252-155en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
+6-11en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
+1,258-1662 files

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