Adding lever-arm to GPS factors #3459

Job	Run time
ubuntu-clang-deprecated Debug	22m 52s
ubuntu-clang-deprecated Release	24m 44s
ubuntu-clang-quaternions Debug	22m 40s
ubuntu-clang-quaternions Release	24m 2s
ubuntu-clang-tbb Debug	23m 13s
ubuntu-clang-tbb Release	25m 39s
ubuntu-clang-cayleymap Debug	22m 58s
ubuntu-clang-cayleymap Release	23m 41s
ubuntu-clang-system-libs Debug	22m 49s
ubuntu-clang-system-libs Release	23m 41s
ubuntu-no-boost Debug	22m 48s
ubuntu-no-boost Release	23m 28s
ubuntu-no-unstable Debug	18m 1s
ubuntu-no-unstable Release	19m 9s
	5h 19m 45s

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