use GaudiKernel/compose.h

Replace explicit implementation of compose with the one in GaudiKernel/compose.h

• [2018-01-06 13:52] Validation started with lhcb-gaudi-merge#384
• [2018-01-07 00:04] Validation started with lhcb-tdr-test#19
• [2018-01-07 00:05] Validation started with lhcb-gaudi-head-py3#26
• [2018-01-07 00:06] Validation started with lhcb-gaudi-head#1716
• [2018-01-08 00:04] Validation started with lhcb-tdr-test#20
• [2018-01-08 00:04] Validation started with lhcb-gaudi-head#1717
• [2018-01-08 00:05] Validation started with lhcb-gaudi-head-py3#27
• [2018-01-09 00:04] Validation started with lhcb-gaudi-head#1718
• [2018-01-09 00:04] Validation started with lhcb-gaudi-head-py3#28
• [2018-01-09 00:04] Validation started with lhcb-tdr-test#21
• [2018-01-10 00:04] Validation started with lhcb-gaudi-head-py3#29
• [2018-01-10 00:04] Validation started with lhcb-gaudi-head#1719
• [2018-01-10 00:06] Validation started with lhcb-tdr-test#22
• [2018-01-11 00:04] Validation started with lhcb-gaudi-head-py3#30
• [2018-01-11 00:05] Validation started with lhcb-gaudi-head#1720
• [2018-01-11 00:06] Validation started with lhcb-tdr-test#23
• [2018-01-12 00:04] Validation started with lhcb-tdr-test#24
• [2018-01-12 00:05] Validation started with lhcb-gaudi-head#1721
• [2018-01-12 00:05] Validation started with lhcb-gaudi-head-py3#31

approved this merge request

assigned to @hegner

changed milestone to %v30r2

merged

mentioned in commit 69182d64

added C++ framework label