[packages/R] (6 commits) Non-fast-forward update to branch DEVEL-4.4

[qboosh]

The branch 'DEVEL-4.4' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch.

Commits removed from the branch:

  477921e... - up to 4.2.3, one test fails
  9aa1728... - up to 4.3.3, test still fails
  6710a90... - up to 4.4.1, test still fails
  a30a28a... - updated to 4.4.3; regtests still fail on i686 with x87 ma
  cc16324... - handle i686 case: either build with sse2 math or disable 

Commits added to the branch:

  c1fc9ff... icu 76 rebuild (*)
  110ae00... - up to 4.2.3, one test fails
  db28e9d... - up to 4.3.3, test still fails
  1aecac1... - up to 4.4.1, test still fails
  73a4486... - updated to 4.4.3; regtests still fail on i686 with x87 ma
  e0814a1... - handle i686 case: either build with sse2 math or disable 

(*) This commit already existed in another branch; no separate mail sent