Update .gitignore

added vim swp files
Merge branch 'master' of git://github.com/otwcode/otwarchive

updating my master branch
Merge branch 'master' of git://github.com/otwcode/otwarchive
Merge branch 'master' of git://github.com/otwcode/otwarchive
Merge branch 'master' of git://github.com/otwcode/otwarchive
3782 Add Save Without Posting button to Edit Tags
Merge branch 'master' of git://github.com/otwcode/otwarchive
2394 Redirects user to chapter page if work is multichaptered
Link to chapters in Entire Work mode instead of Chapter by Chapter mode
Fixes history for multichapter works that broke after the title fix
Merge branch 'issue_3421' of github.com:sarken/otwarchive into issue_3782
3819 Confirm messages for work and chapter deletion
3817 Move and comment function for JS deletion
3819 Update text of work deletion confirmation
3819 Add data-method in view rather than JS
3819 Don't use the JavaScript to add the data-method attribute
3819 proper class for h2
3819 Ha never mind -- keep the data-method in the JavaScript so the tests pass
3819 Left a line in from the rebase, whoops
3766 Our HTML is showing on My Assignments when user has multiple assignments for one collection