changed log template
client_protocol now logs to own section + adds connection id
logging client address + fd inode upon accept of new connection
updated log template
logging of paxos related messages to custom section, removed 'me' prefix
more logging to sections
fixed compilation
renamed log to log_f and added log function
made log section log levels configurable, updated related documentation
readded logging of 'me' in paxos fsm
added tcp_messaging log section
various extra logging
feedback
Merge branch '1.6' into ARAKOON-347-2

Conflicts:
	extension/server/ArakoonManagement.py
	src/client/client_protocol.ml
	src/paxos/multi_paxos_test.ml