[packages/vim] Non-fast-forward update to branch master

[glen]

The branch 'master' 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:

  d646043... updated to 7.4.812

Commits added to the branch:

  50f46ca... fetch all sources, even ones that are not applied to simpli