Expected failures from runalltests.sh

Tests that fail all of the time:
personality01 - being worked on by maintainer, bugzilla bug # 266
personality02 - being worked on by maintainer, bugzilla bug # 266
shmdt02 - has been reported in bugzilla under bug # 264

Tests that occassionally fail on long runs:
recv01 - sf# 506536
recvfrom01 - sf# 491285
recvmsg01 - sf# 491286

Tests that fail only a few times on long runs:
nanosleep01
nanosleep02
ar
readlink04

Expected failures from networktests.sh

rup
fsx-linux

Comments :
Bugzilla #264 description - shmdt system call does not fail on unshared memory segments.
Bugzilla #266 description - personality system call does not fail when expected.