SCL prefix 15->mailru-15, fix paths for scl
Merge branch 'stable'

Conflicts:
	cmake/rpm.cmake
	extra/rpm/tarantool-scl.rpm.spec
	extra/rpm/tarantool.rpm.spec.in
Fix for links on site
Merge branch 'stable'

Conflicts:
	doc/www-data.in/download.cmake
Remove index.idx userdata from Lua bindings
Fix #339: box.update unusual operations fail
Update tuple:find() and tuple:findall() to be one-indexed

See #347
Rework tuple_update() to support one-based indexed in Lua

See #347
Fix #350: the meaning of uptime has changed
Merge remote-tracking branch 'origin/remove-index-userdata'
A fix and a test case for gh-281.

(Crash on rename index).

Do not invalidate a reference to key_def in alter space,
when preserving the old index.

Instead, update the old key def with new parameters.
Merge remote-tracking branch 'origin/tuple-update-one-based'
Tidy up a comment.
Merge branch 'master' of https://github.com/tarantool/tarantool