Commits

• ef27852: Fix more memory leaks and invalid free() in invitation.c. (Kirill Isakov) #324
• 1022812: Fix invalid logger() calls in Solaris device code. (Kirill Isakov) #324
• 83f4d9d: Fix UBSAN warnings in linux/device.c. (Kirill Isakov) #324
• b322126: Use epoll() if available. (Mathew Heard)
• c55480e: Fix memcmp() reading out of bounds in the tinc info command. (Guus Sliepen)