cocaine: Added ability to set list of remotes

It makes possible to specify several remotes for one host but
with different ports
dnet_ioserv: changed configuration format to json
core: fixed compilation by gcc-4.4
Merge pull request #404 from IIoTeP9HuY/master

react: Checks in react for turned off monitoring added
Merge pull request #403 from euroelessar/master

ioserv: moved configuration files to json (master)
cocaine: Fixed parsing of remote nodes list
Merge pull request #406 from euroelessar/master

cocaine: Fixed parsing of remote nodes list (master)
tests: run_servers also starts and inits srw test app
Merge pull request #407 from euroelessar/master

tests: run_servers also starts and inits srw test app
config: updated example ioserv config
foreign/blackhole: updated to master
foreign/react: moved reacrt into foreign dir
run_servers: init application at all nodes

Also converts user-passed path to absolute one
Merge pull request #409 from euroelessar/master

run_servers: init application at all nodes
pytest: do not try to destroy server object if it failed to start
config: Added pretty output on parsing error
Merge pull request #410 from euroelessar/master

config: Added pretty output on parsing error
client: Fixed reading outside of vector on debug
tests: Added monitor_port to json output

Fixed undefined behavior due to lost memory_monitor in move
constructors/operators of node_server
react: Fixed memory corruption/leak