Import devel/sdl20 version 2.0.p6940
Tweak math/sdpara version 7.2.1_4
Update mail/sympa to version 6.1.17_1
Update www/testlink to version 1.9.6
Tweak devel/tkmerge version 0.85_1
Import net/tigervnc version 1.2.0
Tweak math/triangle version 1.6_2
Update devel/fb303 to version 0.9.0_1,1