Add SL4 to geometry #3926

Job	Run time
ubuntu-clang-quaternions Debug	25m 0s
ubuntu-clang-deprecated Debug	25m 20s
ubuntu-clang-cayleymap Debug	25m 45s
ubuntu-clang-quaternions Release	27m 15s
ubuntu-clang-tbb Debug	26m 23s
ubuntu-clang-cayleymap Release	25m 57s
ubuntu-clang-tbb Release	28m 1s
ubuntu-clang-system-libs Debug	25m 28s
ubuntu-no-boost Release	22m 35s
ubuntu-no-unstable Release	21m 36s
ubuntu-clang-deprecated Release	26m 17s
ubuntu-no-unstable Debug	21m 12s
ubuntu-build-examples Debug	24m 38s
ubuntu-build-examples Release	25m 28s
ubuntu-clang-system-libs Release	26m 35s
ubuntu-no-boost Debug	21m 0s
	6h 38m 30s

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