fixup changelog

Continue to ack incoming uTP data while finalizing the connection

bump version to 2.0.7

bump version to 1.2.17

bump version (2.0.6)

bump version to 1.2.16

merged RC_1_2 into RC_2_0

add project-config.jam to the root directory

bump version to 2.0.4

clear seed flag when we receive an incomplete bitfield from a peer