Fix python log API, cat and message are now need

Change-Id: I28cf77002080d8975f1a4734e6d0304fd1933f11
Reviewed-on: http://gerrit.aldebaran.lan/44734
Reviewed-by: cgestes <gestes@aldebaran-robotics.com>
Tested-by: hcuche <hcuche@aldebaran-robotics.com>
signal: add onsubscribers

Change-Id: Ib81e85bd218cedc52aa64ddb2169075b18c8efe4
Reviewed-on: http://gerrit.aldebaran.lan/45495
Reviewed-by: pdaouadi <pdaouadi@aldebaran-robotics.com>
Tested-by: pdaouadi <pdaouadi@aldebaran-robotics.com>
Fix compilation on macOS

Change-Id: If0f312cd8d691f91b12d82f868e4fc4399ec798e
Reviewed-on: http://gerrit.aldebaran.lan/45165
Reviewed-by: pdaouadi <pdaouadi@aldebaran-robotics.com>
Approved: hcuche <hcuche@aldebaran-robotics.com>
Reviewed-by: hcuche <hcuche@aldebaran-robotics.com>
Tested-by: hcuche <hcuche@aldebaran-robotics.com>
object: do not bind method starting with __

Change-Id: I87e037b11d04dac1d2e76d088c608dce7a2f105e
Reviewed-on: http://gerrit.aldebaran.lan/45754
Reviewed-by: pdaouadi <pdaouadi@aldebaran-robotics.com>
Tested-by: cgestes <gestes@aldebaran-robotics.com>
object: improve warning when function cannot be bound

Change-Id: I84978effe3f6e2c288ec5e7d91cfe273f6021a3c
Reviewed-on: http://gerrit.aldebaran.lan/45755
Reviewed-by: pdaouadi <pdaouadi@aldebaran-robotics.com>
Tested-by: cgestes <gestes@aldebaran-robotics.com>
property: add functions and allow async calls

Change-Id: Ice3a54bc690d31ae82db99b743cab7193f31a2cb
Reviewed-on: http://gerrit.aldebaran.lan/45882
Reviewed-by: pdaouadi <pdaouadi@aldebaran-robotics.com>
Tested-by: pdaouadi <pdaouadi@aldebaran-robotics.com>
qi/__init__: cosmetic changes

* Do not try to load libraries that no longer exist
* Fix the name of the function

Change-Id: I5e83b314df2f59d2ca953d99f79d265bc078bd8a
Reviewed-on: http://gerrit.aldebaran.lan/45710
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
Tested-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
Merge commit 'refs/integration/team/platform/dev-68'