Update comments.
Merge branch 'master' of github.com:tarantool/tarantool
Enable encode_sparse_convert by default

Stop producing "excessively sparse array"
Fix #536: fiber.info() doesn't list fibers with default names
Merge branch 'master' of github.com:tarantool/tarantool
Improve garbage collection during snapshotting.

Avoid uncontrolled growth of region memory.
Merge branch 'ocelot-master'
Merge branch 'master' of https://github.com/tarantool/tarantool
Make replica to be read-only without having own server_id in _cluster

This patch also changes box.info.server output for this case.
fix gh-503 if_not_exits option in create index
Review fixes for replica-ro-without-id
Merge remote-tracking branch 'origin/master' into replica-ro-without-id
console can connect to remote admin port. closes #538

 + Add tarantoolctl enter instance_name command
Merge branch 'master' of github.com:tarantool/tarantool
Update greeting of the administrative port, remove Pidgin English.
A fix and a test case for gh-530 - assertion failed

A dropped user structure could still be accessed from sessions
which were authenticated with this user.

Check that a user is dropped when accessing it from the authenticated
session.
Merge remote-tracking branch 'origin/fix-gh-503-index-if_not_exists-option'
gh-503: update forgotten tests