Build with elliptics >= 2.26.3.9

Attention: /stat-log handler was removed
Version up to 0.56~ell-2.26-1
Ubic rlimit_core = -1
Version up to 0.56~ell-2.26-2
Added elliptics trace_id and trace_bit
Version up to 0.56~ell-2.26-3
Deps: elliptics-client(>= 2.26.3.13)
Version up to 0.56~ell-2.26-4
Added GNU GENERAL PUBLIC LICENSE Version 2
BH_LOG is replaced to MDS_LOG
Write ping' trace with info-verbose
Release namespaces_mutex immediately after namespaces have updated
Version up to 0.56~ell-2.26-5
Merge branch 'ell-26'

Conflicts:
	debian/changelog
	src/proxy.cpp
Fix upload when data size == chunk size
Version up to 0.59
Fixed typo in upload.cpp
Support libmastermind 8.17