Fix gitlab-ci failures#2458

Merged

MishimaHaruna merged 3 commits intoHerculesWS:masterfrom

MishimaHaruna:gitlab-ci-buildfixes

May 6, 2019

Commits on May 6, 2019

Remove the failing/deprecated gcc-4.6 build from gitlab-ci
MishimaHaruna
committed
Remove the failing/deprecated gcc-4.7 build from gitlab-ci
MishimaHaruna
committed
Remove the failing/deprecated gcc-5 build from gitlab-ci
MishimaHaruna
committed