The following tests have been added:
test 017: tlf2 kerning flush-right mode
test 018: tlf2 overlap centered mode
test 019: tlf2 full-width flush-left right-to-left mode
test 020: specify font directory
test 021: paragraph mode long line output
test 022: short line output
test 023: kerning paragraph centered mode (small)
Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
