Replicator was updated:
 - bind replicator poer strategy was changed.
 - terminate child routine for spawner process during exit was added.
 - handle EPIPE error was added to client handler process.
 - remote_hot_standby was deleted.
 - local_hot_standby was renamed to hot_standby.
 - sender_send_sock function was fixed.
 - I/O event processing in replicator fibers was updated.

Fiber:
 - fiber_io_* functions now public.

sender_send_sock function was fixed.

initialization sequence was fixed.

Implement
https://blueprints.launchpad.net/tarantool/+spec/feeder-in-core

- replicator was implemented;
- 'box_replication' tests was added top test suite;
- feeder module was removedl;
- tarantool's core file was of UTILITY and STORAGE defines;
- fiber name length was upped to 32 characters;
- .gitignore file was updated.

Learn how to use olinking correctly.
Add errcode.xml - the list of all error codes.
While at it, add markers to errcode.h signalling
that whenever it is changed, errcode.xml also needs a change.
Get rid of ERR_CODE_UNKNOWN_ERROR - it has no raison d'être.

Tweak the docbook to html XSL rules, in particular
table of contents generation.

Explain how to configure a namespace.
Tweak some error messages on the way.

Adjust signature of tbuf_ltrim, add comments,
replace a check with an assert.

tbuf: tbuf_ltrim function was added.
admin: admin_dispatch routine was fixed. fiber read buff managment was changed
       from peek to trim.

Update test results.

Review fixes: the original patch is fine,
but since we use strlen() for help, let's use strlen() for
unknown_command too.

Fix the test runner after rename of --daemonize to --background.
Add comments to README.

Update comments in the configuration templates
(spelling errors).

Conflicts:
	core/fiber.m
	include/fiber.h
	include/palloc.h

external (allocated outside a structure) to internal one (within a
structure).

Exclude 'doc' subdirectory from 'all'. Do not require
any special DocBook tools from those who do not write documentation.

  (Bug #716683).

Conflicts:
	README

Conflicts:
	CMakeLists.txt

In order for the next master-stable tag
to stay on the master-stable branch and not confuse
git describe of 'master', increase the release
version of the 'master' (unstable).

Bug#748630, Make --help and --version follow GNU standard: 1.4
part.

Rename --daemonize to --background to follow the GNU
convention.

Merge the fix for Bug#748630
into 'master'.

Conflicts:
	test/box/args.result

A partial fix for Bug#748630
"Make --help and --version follow GNU standard".

Add product name to the --version output.
Leave --help intact, there is sufficient
information about how to report bug in it
already.

Update test results.

Remove an unused declaration from tarantool.h.

Add mod_name to each module and output
it in --version.

Manual merge of Bug#702399 from master-stable.

Conflicts:
	mod/box/box.m

Conflicts:
	include/iproto.h
	test/box/protocol.c
	test/box/protocol.result

Conflicts:
	CMakeLists.txt

Instead of trying to do a platform-safe but lower-speed
integer extraction from network, add a configuration check
for rare platforms and refuse to compile on them.
Keep the code simple for x86.