Tags for the ClassAd releases.

classads_0_9_8_b1
classads_0_9_8_b2
classads_0_9_8_b3
classads_0_9_9
classads_1_0_rc2
classads_1_0_rc3
classads_1_0_rc4
classads_1_0_rc5
classads_1_0_0
