sock: make sure we return the RX buffer when we receive a rma_read_reply message.
Sock: multiple fixes for RMA READ.
sock: code cleanup.
sock: code formatting.
sock: avoid trying to ack RMA_READ_REPLY messages.
sock: code cleanup
+ make sure we control the number of in-flight messages for RMA read.
sock: Avoid handling piggyback acks twice in the context of RMA read.
+ stop releasing RX buffer early on when the ACK is piggyacked (data from the buffer still needed)
+ code clean-up
Modifications so we can use the latest versions of the autotools.
sock: Remove a debug statement i forgot to remove yesterday.
sock: code formatting.
Merge branch 'master' into gvallee/sock

Conflicts:
	src/plugins/ctp/sock/ctp_sock_api.c
sock: code clean-up.
Add a unit test to exercise the connect_reject() code path.
sock: Fix the conn_reject() case
+ update the conn_reject() test (it passes with both SOCK and TCP).
Fix a typo in the context of connection reject.
sock: fix the slow startup on MacOS.
+ some code cleanup.
sock: Modify the allocation of RX/TX buffers based on feedback and patch from
G. Bosilca.
Merge branch 'master' into gvallee/sock
Merge branch 'gvallee/sock'

Conflicts:
	src/tests/Makefile.am